It is an ABA number since it can be written as A⋅BA, here for A=2, B=4520212.
It is a Duffinian number.
It is an unprimeable number.
Almost surely, 240864633049888 is an apocalyptic number.
It is an amenable number.
40864633049888 is an frugal number, since it uses more digits than its factorization.
40864633049888 is an evil number, because the sum of its binary digits is even.
The spelling of 40864633049888 in words is "forty trillion, eight hundred sixty-four billion, six hundred thirty-three million, forty-nine thousand, eight hundred eighty-eight".