40905464003688 has 128 divisors (see below), whose sum is σ = 103893464937600. Its totient is φ = 13420004204544.

The previous prime is 40905464003617. The next prime is 40905464003753. The reversal of 40905464003688 is 88630046450904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198238906 + ... + 198445142.

It is an arithmetic number, because the mean of its divisors is an integer number (811667694825).

Almost surely, 2^{40905464003688} is an apocalyptic number.

It is an amenable number.

40905464003688 is an abundant number, since it is smaller than the sum of its proper divisors (62988000933912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40905464003688 is a wasteful number, since it uses less digits than its factorization.

40905464003688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206899 (or 206895 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 40905464003688 in words is "forty trillion, nine hundred five billion, four hundred sixty-four million, three thousand, six hundred eighty-eight".