25189842880 has 112 divisors (see below), whose sum is σ = 62810282304. Its totient is φ = 9604136960.

The previous prime is 25189842869. The next prime is 25189842907. The reversal of 25189842880 is 8824898152.

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, 2150640 + ... + 2162320.

It is an arithmetic number, because the mean of its divisors is an integer number (560806092).

Almost surely, 2^25189842880 is an apocalyptic number.

25189842880 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 25189842880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31405141152).

25189842880 is an abundant number, since it is smaller than the sum of its proper divisors (37620439424).

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

25189842880 is a wasteful number, since it uses less digits than its factorization.

25189842880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12014 (or 12004 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 55.

The spelling of 25189842880 in words is "twenty-five billion, one hundred eighty-nine million, eight hundred forty-two thousand, eight hundred eighty".