256724102170468 has 12 divisors (see below), whose sum is σ = 449284282845552. Its totient is φ = 128357164214600.

The previous prime is 256724102170447. The next prime is 256724102170499. The reversal of 256724102170468 is 864071201427652.

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, 1221599458 + ... + 1221809593.

It is an arithmetic number, because the mean of its divisors is an integer number (37440356903796).

Almost surely, 2^{256724102170468} is an apocalyptic number.

It is an amenable number.

256724102170468 is a deficient number, since it is larger than the sum of its proper divisors (192560180675084).

256724102170468 is a wasteful number, since it uses less digits than its factorization.

256724102170468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443435322 (or 2443435320 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 256724102170468 in words is "two hundred fifty-six trillion, seven hundred twenty-four billion, one hundred two million, one hundred seventy thousand, four hundred sixty-eight".