Hitler had well over 150+ IQ, despite of all his other gifts such as EQ and everything else. This amount of intelligence has rarely been present on the planet again. People who had similar intelligence would be Tesla and others. At the same rate, his particular type of genius has been unique in history, from a political and civilization creating standpoint.
His death was entirely staged and faked. He was taken from the planet by the Gods. This was the end result.
The details however until this event have never been clarified, nor they could be. There is also another theory that few people used the technology of interdimensional travel.
On their clarifications that look after a physical disappearance theory, many reached to Antarctica or Argentina, being the places where the last tracks were completely lost. CIA and FBI, and every other agency of the time, tried their earnest to track down what happened, and all failed.
Hitler became a God because he was doing meditation and spiritual disciplines and practices daily. Everyday, he would isolate himself into his house or office to "Commune with Providence", and he was doing copious amounts of meditation for over 30 years. Sources that have tracked this info down say that he has been practicing meditations since he was about before 18 years old, because he assosciated himself with the very early Vril Society.