25957800000 has 1344 divisors, whose sum is σ = 114292684800. Its totient is φ = 5702400000.

The previous prime is 25957799963. The next prime is 25957800053. The reversal of 25957800000 is 875952.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1128599989 + ... + 1128600011.

It is an arithmetic number, because the mean of its divisors is an integer number (85039200).

Almost surely, 2^25957800000 is an apocalyptic number.

25957800000 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 25957800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57146342400).

25957800000 is an abundant number, since it is smaller than the sum of its proper divisors (88334884800).

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

25957800000 is a wasteful number, since it uses less digits than its factorization.

25957800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 25957800000 in words is "twenty-five billion, nine hundred fifty-seven million, eight hundred thousand".