256882824056572 has 96 divisors (see below), whose sum is σ = 528233647011840. Its totient is φ = 106998950972160.

The previous prime is 256882824056569. The next prime is 256882824056587. The reversal of 256882824056572 is 275650428288652.

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, 12617644129 + ... + 12617664487.

It is an arithmetic number, because the mean of its divisors is an integer number (5502433823040).

Almost surely, 2^{256882824056572} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256882824056572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264116823505920).

256882824056572 is an abundant number, since it is smaller than the sum of its proper divisors (271350822955268).

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

256882824056572 is a wasteful number, since it uses less digits than its factorization.

256882824056572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33251 (or 33249 counting only the distinct ones).

The product of its (nonzero) digits is 1032192000, while the sum is 70.

The spelling of 256882824056572 in words is "two hundred fifty-six trillion, eight hundred eighty-two billion, eight hundred twenty-four million, fifty-six thousand, five hundred seventy-two".