255308656 has 20 divisors (see below), whose sum is σ = 499763152. Its totient is φ = 126337536.

The previous prime is 255308639. The next prime is 255308701. The reversal of 255308656 is 656803552.

255308656 is digitally balanced in base 3, 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80700 + ... + 83803.

Almost surely, 2^255308656 is an apocalyptic number.

It is an amenable number.

255308656 is a deficient number, since it is larger than the sum of its proper divisors (244454496).

255308656 is a wasteful number, since it uses less digits than its factorization.

255308656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164608 (or 164602 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 255308656 is about 15978.3808941958. The cubic root of 255308656 is about 634.3883220479.

The spelling of 255308656 in words is "two hundred fifty-five million, three hundred eight thousand, six hundred fifty-six".