255866672 has 20 divisors (see below), whose sum is σ = 496017360. Its totient is φ = 127862208.

The previous prime is 255866659. The next prime is 255866683. The reversal of 255866672 is 276668552.

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, 36854 + ... + 43242.

It is an arithmetic number, because the mean of its divisors is an integer number (24800868).

Almost surely, 2^255866672 is an apocalyptic number.

It is an amenable number.

255866672 is a deficient number, since it is larger than the sum of its proper divisors (240150688).

255866672 is a wasteful number, since it uses less digits than its factorization.

255866672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900 (or 8894 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 255866672 is about 15995.8329573674. The cubic root of 255866672 is about 634.8501698703.

The spelling of 255866672 in words is "two hundred fifty-five million, eight hundred sixty-six thousand, six hundred seventy-two".