256464352 has 24 divisors (see below), whose sum is σ = 526868496. Its totient is φ = 122656512.

The previous prime is 256464347. The next prime is 256464361. The reversal of 256464352 is 253464652.

256464352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 173493 + ... + 174964.

It is an arithmetic number, because the mean of its divisors is an integer number (21952854).

Almost surely, 2^256464352 is an apocalyptic number.

It is an amenable number.

256464352 is an abundant number, since it is smaller than the sum of its proper divisors (270404144).

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

256464352 is a wasteful number, since it uses less digits than its factorization.

256464352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348490 (or 348482 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 256464352 is about 16014.5044256761. The cubic root of 256464352 is about 635.3441018420.

The spelling of 256464352 in words is "two hundred fifty-six million, four hundred sixty-four thousand, three hundred fifty-two".