40864646904 has 64 divisors (see below), whose sum is σ = 103400582400. Its totient is φ = 13456624896.

The previous prime is 40864646881. The next prime is 40864646969. The reversal of 40864646904 is 40964646804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604507 + ... + 2620149.

It is an arithmetic number, because the mean of its divisors is an integer number (1615634100).

Almost surely, 2^40864646904 is an apocalyptic number.

It is an amenable number.

40864646904 is an abundant number, since it is smaller than the sum of its proper divisors (62535935496).

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

40864646904 is a wasteful number, since it uses less digits than its factorization.

40864646904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16964 (or 16960 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 40864646904 in words is "forty billion, eight hundred sixty-four million, six hundred forty-six thousand, nine hundred four".