426540656708 has 12 divisors (see below), whose sum is σ = 763805362320. Its totient is φ = 208310553192.

The previous prime is 426540656681. The next prime is 426540656743. The reversal of 426540656708 is 807656045624.

It is a self number, because there is not a number n which added to its sum of digits gives 426540656708.

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, 1239943598 + ... + 1239943941.

It is an arithmetic number, because the mean of its divisors is an integer number (63650446860).

Almost surely, 2^426540656708 is an apocalyptic number.

It is an amenable number.

426540656708 is a deficient number, since it is larger than the sum of its proper divisors (337264705612).

426540656708 is a wasteful number, since it uses less digits than its factorization.

426540656708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479887586 (or 2479887584 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 426540656708 in words is "four hundred twenty-six billion, five hundred forty million, six hundred fifty-six thousand, seven hundred eight".