256311932 has 6 divisors (see below), whose sum is σ = 448545888. Its totient is φ = 128155964.

The previous prime is 256311929. The next prime is 256311953. The reversal of 256311932 is 239113652.

256311932 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 as a sum of consecutive naturals, namely, 32038988 + ... + 32038995.

It is an arithmetic number, because the mean of its divisors is an integer number (74757648).

Almost surely, 2^256311932 is an apocalyptic number.

It is an amenable number.

256311932 is a deficient number, since it is larger than the sum of its proper divisors (192233956).

256311932 is a wasteful number, since it uses less digits than its factorization.

256311932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64077987 (or 64077985 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 256311932 is about 16009.7449073994. The cubic root of 256311932 is about 635.2182125610.

The spelling of 256311932 in words is "two hundred fifty-six million, three hundred eleven thousand, nine hundred thirty-two".