25025875392 has 224 divisors, whose sum is σ = 76793213952. Its totient is φ = 7045226496.

The previous prime is 25025875337. The next prime is 25025875439. The reversal of 25025875392 is 29357852052.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×25025875392² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 40560268 + ... + 40560884.

It is an arithmetic number, because the mean of its divisors is an integer number (342826848).

Almost surely, 2^25025875392 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 25025875392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38396606976).

25025875392 is an abundant number, since it is smaller than the sum of its proper divisors (51767338560).

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

25025875392 is a wasteful number, since it uses less digits than its factorization.

25025875392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 25025875392 in words is "twenty-five billion, twenty-five million, eight hundred seventy-five thousand, three hundred ninety-two".