256069790700 has 36 divisors (see below), whose sum is σ = 740895261960. Its totient is φ = 68285277440.

The previous prime is 256069790689. The next prime is 256069790701. The reversal of 256069790700 is 7097960652.

It is not an unprimeable number, because it can be changed into a prime (256069790701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426782685 + ... + 426783284.

Almost surely, 2^256069790700 is an apocalyptic number.

256069790700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256069790700 is an abundant number, since it is smaller than the sum of its proper divisors (484825471260).

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

256069790700 is a wasteful number, since it uses less digits than its factorization.

256069790700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853565986 (or 853565979 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 256069790700 in words is "two hundred fifty-six billion, sixty-nine million, seven hundred ninety thousand, seven hundred".