256101570730 has 16 divisors (see below), whose sum is σ = 470790973440. Its totient is φ = 100261040272.

The previous prime is 256101570691. The next prime is 256101570773. The reversal of 256101570730 is 37075101652.

It is a self number, because there is not a number n which added to its sum of digits gives 256101570730.

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, 272448010 + ... + 272448949.

It is an arithmetic number, because the mean of its divisors is an integer number (29424435840).

Almost surely, 2^256101570730 is an apocalyptic number.

256101570730 is a deficient number, since it is larger than the sum of its proper divisors (214689402710).

256101570730 is a wasteful number, since it uses less digits than its factorization.

256101570730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544897013.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 256101570730 in words is "two hundred fifty-six billion, one hundred one million, five hundred seventy thousand, seven hundred thirty".