256652541432508 has 24 divisors (see below), whose sum is σ = 483704960125520. Its totient is φ = 118451680663680.

The previous prime is 256652541432409. The next prime is 256652541432523. The reversal of 256652541432508 is 805234145256652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67687953 + ... + 71379016.

Almost surely, 2^{256652541432508} is an apocalyptic number.

It is an amenable number.

256652541432508 is a deficient number, since it is larger than the sum of its proper divisors (227052418693012).

256652541432508 is a wasteful number, since it uses less digits than its factorization.

256652541432508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139102477 (or 139102475 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 58.

The spelling of 256652541432508 in words is "two hundred fifty-six trillion, six hundred fifty-two billion, five hundred forty-one million, four hundred thirty-two thousand, five hundred eight".