451568256 has 32 divisors (see below), whose sum is σ = 1199479200. Its totient is φ = 150522624.

The previous prime is 451568203. The next prime is 451568261. The reversal of 451568256 is 652865154.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 587596 + ... + 588363.

It is an arithmetic number, because the mean of its divisors is an integer number (37483725).

Almost surely, 2^451568256 is an apocalyptic number.

It is an amenable number.

451568256 is an abundant number, since it is smaller than the sum of its proper divisors (747910944).

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

451568256 is a wasteful number, since it uses less digits than its factorization.

451568256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175976 (or 1175964 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 451568256 is about 21250.1354348625. The cubic root of 451568256 is about 767.1985998018.

It can be divided in two parts, 4515 and 68256, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 451568256 in words is "four hundred fifty-one million, five hundred sixty-eight thousand, two hundred fifty-six".