256113244374 has 64 divisors (see below), whose sum is σ = 562831815168. Its totient is φ = 77217235200.

The previous prime is 256113244369. The next prime is 256113244381. The reversal of 256113244374 is 473442311652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760834 + ... + 1044554.

It is an arithmetic number, because the mean of its divisors is an integer number (8794247112).

Almost surely, 2^256113244374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256113244374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281415907584).

256113244374 is an abundant number, since it is smaller than the sum of its proper divisors (306718570794).

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

256113244374 is a wasteful number, since it uses less digits than its factorization.

256113244374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283973.

The product of its digits is 483840, while the sum is 42.

The spelling of 256113244374 in words is "two hundred fifty-six billion, one hundred thirteen million, two hundred forty-four thousand, three hundred seventy-four".