40920292606864 has 40 divisors (see below), whose sum is σ = 86495371477632. Its totient is φ = 18599110849920.

The previous prime is 40920292606859. The next prime is 40920292606877. The reversal of 40920292606864 is 46860629202904.

It is a junction number, because it is equal to n+sod(n) for n = 40920292606799 and 40920292606808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172099 + ... + 9586594.

Almost surely, 2^{40920292606864} is an apocalyptic number.

40920292606864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40920292606864 is an abundant number, since it is smaller than the sum of its proper divisors (45575078870768).

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

40920292606864 is a wasteful number, since it uses less digits than its factorization.

40920292606864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776935 (or 12776929 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 40920292606864 in words is "forty trillion, nine hundred twenty billion, two hundred ninety-two million, six hundred six thousand, eight hundred sixty-four".