25929972320 has 192 divisors, whose sum is σ = 72833789952. Its totient is φ = 8536320000.

The previous prime is 25929972319. The next prime is 25929972337. The reversal of 25929972320 is 2327992952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4545470 + ... + 4551170.

It is an arithmetic number, because the mean of its divisors is an integer number (379342656).

Almost surely, 2^25929972320 is an apocalyptic number.

25929972320 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 25929972320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36416894976).

25929972320 is an abundant number, since it is smaller than the sum of its proper divisors (46903817632).

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

25929972320 is a wasteful number, since it uses less digits than its factorization.

25929972320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 25929972320 in words is "twenty-five billion, nine hundred twenty-nine million, nine hundred seventy-two thousand, three hundred twenty".