25886956256 has 96 divisors (see below), whose sum is σ = 60332610240. Its totient is φ = 10697895936.

The previous prime is 25886956229. The next prime is 25886956267. The reversal of 25886956256 is 65265968852.

It is a congruent number.

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, 6084626 + ... + 6088878.

It is an arithmetic number, because the mean of its divisors is an integer number (628464690).

Almost surely, 2^25886956256 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 25886956256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30166305120).

25886956256 is an abundant number, since it is smaller than the sum of its proper divisors (34445653984).

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

25886956256 is a wasteful number, since it uses less digits than its factorization.

25886956256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236 (or 5228 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 62.

The spelling of 25886956256 in words is "twenty-five billion, eight hundred eighty-six million, nine hundred fifty-six thousand, two hundred fifty-six".