40564430862 has 32 divisors (see below), whose sum is σ = 83986480800. Its totient is φ = 13045874688.

The previous prime is 40564430843. The next prime is 40564430903. The reversal of 40564430862 is 26803446504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162438 + ... + 327894.

It is an arithmetic number, because the mean of its divisors is an integer number (2624577525).

Almost surely, 2^40564430862 is an apocalyptic number.

40564430862 is an abundant number, since it is smaller than the sum of its proper divisors (43422049938).

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

40564430862 is a wasteful number, since it uses less digits than its factorization.

40564430862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166900.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 40564430862 in words is "forty billion, five hundred sixty-four million, four hundred thirty thousand, eight hundred sixty-two".