40684764464 has 20 divisors (see below), whose sum is σ = 78836527056. Its totient is φ = 20339854272.

The previous prime is 40684764443. The next prime is 40684764481. The reversal of 40684764464 is 46446748604.

It is a happy number.

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, 21659 + ... + 286074.

Almost surely, 2^40684764464 is an apocalyptic number.

It is an amenable number.

40684764464 is a deficient number, since it is larger than the sum of its proper divisors (38151762592).

40684764464 is a wasteful number, since it uses less digits than its factorization.

40684764464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316004 (or 315998 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 53.

The spelling of 40684764464 in words is "forty billion, six hundred eighty-four million, seven hundred sixty-four thousand, four hundred sixty-four".