256955152 has 10 divisors (see below), whose sum is σ = 497850638. Its totient is φ = 128477568.

The previous prime is 256955137. The next prime is 256955173. The reversal of 256955152 is 251559652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 195552256 + 61402896 = 13984^2 + 7836^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8029833 + ... + 8029864.

Almost surely, 2^256955152 is an apocalyptic number.

It is an amenable number.

256955152 is a deficient number, since it is larger than the sum of its proper divisors (240895486).

256955152 is a wasteful number, since it uses less digits than its factorization.

256955152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16059705 (or 16059699 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The square root of 256955152 is about 16029.8207101639. The cubic root of 256955152 is about 635.7491330258.

The spelling of 256955152 in words is "two hundred fifty-six million, nine hundred fifty-five thousand, one hundred fifty-two".