40989564976784 has 20 divisors (see below), whose sum is σ = 80159499735984. Its totient is φ = 20303242464288.

The previous prime is 40989564976771. The next prime is 40989564976817. The reversal of 40989564976784 is 48767946598904.

It is a junction number, because it is equal to n+sod(n) for n = 40989564976696 and 40989564976705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11971249742 + ... + 11971253165.

Almost surely, 2^{40989564976784} is an apocalyptic number.

It is an amenable number.

40989564976784 is a deficient number, since it is larger than the sum of its proper divisors (39169934759200).

40989564976784 is a wasteful number, since it uses less digits than its factorization.

40989564976784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23942503022 (or 23942503016 counting only the distinct ones).

The product of its (nonzero) digits is 26336378880, while the sum is 86.

The spelling of 40989564976784 in words is "forty trillion, nine hundred eighty-nine billion, five hundred sixty-four million, nine hundred seventy-six thousand, seven hundred eighty-four".