25988888952 has 144 divisors (see below), whose sum is σ = 77138694360. Its totient is φ = 7899929856.

The previous prime is 25988888929. The next prime is 25988888953.

25988888952 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25988888953) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 997078 + ... + 1022810.

Almost surely, 2^25988888952 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 25988888952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38569347180).

25988888952 is an abundant number, since it is smaller than the sum of its proper divisors (51149805408).

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

25988888952 is a wasteful number, since it uses less digits than its factorization.

25988888952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25854 (or 25834 counting only the distinct ones).

The product of its digits is 265420800, while the sum is 72.

The spelling of 25988888952 in words is "twenty-five billion, nine hundred eighty-eight million, eight hundred eighty-eight thousand, nine hundred fifty-two".