256550912 has 24 divisors (see below), whose sum is σ = 512980650. Its totient is φ = 128274432.

The previous prime is 256550909. The next prime is 256550951. The reversal of 256550912 is 219055652.

It can be written as a sum of positive squares in only one way, i.e., 200958976 + 55591936 = 14176^2 + 7456^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60587 + ... + 64682.

Almost surely, 2^256550912 is an apocalyptic number.

It is an amenable number.

256550912 is a deficient number, since it is larger than the sum of its proper divisors (256429738).

256550912 is an equidigital number, since it uses as much as digits as its factorization.

256550912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125291 (or 125271 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 256550912 is about 16017.2067477448. The cubic root of 256550912 is about 635.4155727228.

The spelling of 256550912 in words is "two hundred fifty-six million, five hundred fifty thousand, nine hundred twelve".