256106351010 has 32 divisors (see below), whose sum is σ = 614671120512. Its totient is φ = 68293262720.

The previous prime is 256106350991. The next prime is 256106351063. The reversal of 256106351010 is 10153601652.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417390 + ... + 1587830.

It is an arithmetic number, because the mean of its divisors is an integer number (19208472516).

Almost surely, 2^256106351010 is an apocalyptic number.

256106351010 is an abundant number, since it is smaller than the sum of its proper divisors (358564769502).

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

256106351010 is a wasteful number, since it uses less digits than its factorization.

256106351010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220538.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 256106351010 its reverse (10153601652), we get a palindrome (266259952662).

The spelling of 256106351010 in words is "two hundred fifty-six billion, one hundred six million, three hundred fifty-one thousand, ten".