25985858952 has 64 divisors (see below), whose sum is σ = 66375936000. Its totient is φ = 8473943360.

The previous prime is 25985858939. The next prime is 25985859047.

25985858952 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

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, 3934549 + ... + 3941147.

It is an arithmetic number, because the mean of its divisors is an integer number (1037124000).

Almost surely, 2^25985858952 is an apocalyptic number.

It is an amenable number.

25985858952 is an abundant number, since it is smaller than the sum of its proper divisors (40390077048).

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

25985858952 is a wasteful number, since it uses less digits than its factorization.

25985858952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146 (or 10142 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 66.

The spelling of 25985858952 in words is "twenty-five billion, nine hundred eighty-five million, eight hundred fifty-eight thousand, nine hundred fifty-two".