25925878880 has 96 divisors (see below), whose sum is σ = 66879999648. Its totient is φ = 9418854400.

The previous prime is 25925878837. The next prime is 25925878907. The reversal of 25925878880 is 8887852952.

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, 2072324 + ... + 2084796.

It is an arithmetic number, because the mean of its divisors is an integer number (696666663).

Almost surely, 2^25925878880 is an apocalyptic number.

25925878880 is a gapful number since it is divisible by the number (20) 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 25925878880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33439999824).

25925878880 is an abundant number, since it is smaller than the sum of its proper divisors (40954120768).

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

25925878880 is a wasteful number, since it uses less digits than its factorization.

25925878880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13680 (or 13672 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 62.

The spelling of 25925878880 in words is "twenty-five billion, nine hundred twenty-five million, eight hundred seventy-eight thousand, eight hundred eighty".