256672467700 has 72 divisors (see below), whose sum is σ = 607718853504. Its totient is φ = 93319296000.

The previous prime is 256672467691. The next prime is 256672467719. The reversal of 256672467700 is 7764276652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7673412 + ... + 7706788.

It is an arithmetic number, because the mean of its divisors is an integer number (8440539632).

Almost surely, 2^256672467700 is an apocalyptic number.

256672467700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256672467700 is an abundant number, since it is smaller than the sum of its proper divisors (351046385804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256672467700 is a wasteful number, since it uses less digits than its factorization.

256672467700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40393 (or 40386 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 256672467700 in words is "two hundred fifty-six billion, six hundred seventy-two million, four hundred sixty-seven thousand, seven hundred".