25864046852 has 96 divisors (see below), whose sum is σ = 55024220160. Its totient is φ = 10404725760.

The previous prime is 25864046849. The next prime is 25864046861.

25864046852 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25864046852² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25864046852.

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, 4091198 + ... + 4097514.

It is an arithmetic number, because the mean of its divisors is an integer number (573168960).

Almost surely, 2^25864046852 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 25864046852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27512110080).

25864046852 is an abundant number, since it is smaller than the sum of its proper divisors (29160173308).

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

25864046852 is a wasteful number, since it uses less digits than its factorization.

25864046852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501 (or 6499 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 25864046852 in words is "twenty-five billion, eight hundred sixty-four million, forty-six thousand, eight hundred fifty-two".