426656040656624 has 80 divisors (see below), whose sum is σ = 905497856365536. Its totient is φ = 193942828032000.

The previous prime is 426656040656603. The next prime is 426656040656639.

426656040656624 is nontrivially palindromic in base 10.

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, 188270942 + ... + 190523645.

Almost surely, 2^{426656040656624} is an apocalyptic number.

It is an amenable number.

426656040656624 is an abundant number, since it is smaller than the sum of its proper divisors (478841815708912).

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

426656040656624 is a wasteful number, since it uses less digits than its factorization.

426656040656624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378794754 (or 378794748 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 62.

The spelling of 426656040656624 in words is "four hundred twenty-six trillion, six hundred fifty-six billion, forty million, six hundred fifty-six thousand, six hundred twenty-four".