25013875328 has 32 divisors (see below), whose sum is σ = 53665589460. Its totient is φ = 11544864768.

The previous prime is 25013875321. The next prime is 25013875373. The reversal of 25013875328 is 82357831052.

It can be written as a sum of positive squares in 2 ways, for example, as 21859031104 + 3154844224 = 147848^2 + 56168^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (25013875321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7514525 + ... + 7517852.

Almost surely, 2^25013875328 is an apocalyptic number.

It is an amenable number.

25013875328 is an abundant number, since it is smaller than the sum of its proper divisors (28651714132).

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

25013875328 is a wasteful number, since it uses less digits than its factorization.

25013875328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15032404 (or 15032392 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 25013875328 in words is "twenty-five billion, thirteen million, eight hundred seventy-five thousand, three hundred twenty-eight".