256045304364 has 48 divisors (see below), whose sum is σ = 632618229600. Its totient is φ = 80323403776.

The previous prime is 256045304297. The next prime is 256045304371. The reversal of 256045304364 is 463403540652.

It is a happy 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, 7148452 + ... + 7184180.

It is an arithmetic number, because the mean of its divisors is an integer number (13179546450).

Almost surely, 2^256045304364 is an apocalyptic number.

It is an amenable number.

256045304364 is an abundant number, since it is smaller than the sum of its proper divisors (376572925236).

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

256045304364 is a wasteful number, since it uses less digits than its factorization.

256045304364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70882 (or 70880 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 256045304364 in words is "two hundred fifty-six billion, forty-five million, three hundred four thousand, three hundred sixty-four".