25983622638952 has 64 divisors (see below), whose sum is σ = 53766617400000. Its totient is φ = 11673442260480.

The previous prime is 25983622638929. The next prime is 25983622638989.

It is a happy number.

25983622638952 is nontrivially palindromic in base 10.

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, 19312999 + ... + 20614537.

It is an arithmetic number, because the mean of its divisors is an integer number (840103396875).

Almost surely, 2^{25983622638952} is an apocalyptic number.

25983622638952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25983622638952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26883308700000).

25983622638952 is an abundant number, since it is smaller than the sum of its proper divisors (27782994761048).

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

25983622638952 is a wasteful number, since it uses less digits than its factorization.

25983622638952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304194 (or 1304190 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 70.

The spelling of 25983622638952 in words is "twenty-five trillion, nine hundred eighty-three billion, six hundred twenty-two million, six hundred thirty-eight thousand, nine hundred fifty-two".