256344562204 has 48 divisors (see below), whose sum is σ = 478464537600. Its totient is φ = 119916029376.

The previous prime is 256344562193. The next prime is 256344562217. The reversal of 256344562204 is 402265443652.

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, 612862 + ... + 942490.

It is an arithmetic number, because the mean of its divisors is an integer number (9968011200).

Almost surely, 2^256344562204 is an apocalyptic number.

It is an amenable number.

256344562204 is a deficient number, since it is larger than the sum of its proper divisors (222119975396).

256344562204 is a wasteful number, since it uses less digits than its factorization.

256344562204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329842 (or 329840 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 256344562204 in words is "two hundred fifty-six billion, three hundred forty-four million, five hundred sixty-two thousand, two hundred four".