256007044730 has 8 divisors (see below), whose sum is σ = 460812680532. Its totient is φ = 102402817888.

The previous prime is 256007044687. The next prime is 256007044751. The reversal of 256007044730 is 37440700652.

It can be written as a sum of positive squares in 2 ways, for example, as 255729455809 + 277588921 = 505697^2 + 16661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12800352227 + ... + 12800352246.

Almost surely, 2^256007044730 is an apocalyptic number.

256007044730 is a deficient number, since it is larger than the sum of its proper divisors (204805635802).

256007044730 is a wasteful number, since it uses less digits than its factorization.

256007044730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25600704480.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 256007044730 in words is "two hundred fifty-six billion, seven million, forty-four thousand, seven hundred thirty".