256346023404 has 48 divisors (see below), whose sum is σ = 612465510272. Its totient is φ = 83404968192.

The previous prime is 256346023403. The next prime is 256346023429. The reversal of 256346023404 is 404320643652.

It is not an unprimeable number, because it can be changed into a prime (256346023403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597732 + ... + 932724.

Almost surely, 2^256346023404 is an apocalyptic number.

It is an amenable number.

256346023404 is an abundant number, since it is smaller than the sum of its proper divisors (356119486868).

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

256346023404 is a wasteful number, since it uses less digits than its factorization.

256346023404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336526 (or 336524 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 256346023404 in words is "two hundred fifty-six billion, three hundred forty-six million, twenty-three thousand, four hundred four".