256233544 has 48 divisors (see below), whose sum is σ = 588308400. Its totient is φ = 104031648.

The previous prime is 256233539. The next prime is 256233553. The reversal of 256233544 is 445332652.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9754 + ... + 24649.

It is an arithmetic number, because the mean of its divisors is an integer number (12256425).

Almost surely, 2^256233544 is an apocalyptic number.

It is an amenable number.

256233544 is an abundant number, since it is smaller than the sum of its proper divisors (332074856).

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

256233544 is a wasteful number, since it uses less digits than its factorization.

256233544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34442 (or 34431 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

The square root of 256233544 is about 16007.2965862447. The cubic root of 256233544 is about 635.1534495958.

The spelling of 256233544 in words is "two hundred fifty-six million, two hundred thirty-three thousand, five hundred forty-four".