25879914528 has 48 divisors (see below), whose sum is σ = 73160531136. Its totient is φ = 7963050240.

The previous prime is 25879914509. The next prime is 25879914539. The reversal of 25879914528 is 82541997852.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10367308 + ... + 10369803.

It is an arithmetic number, because the mean of its divisors is an integer number (1524177732).

Almost surely, 2^25879914528 is an apocalyptic number.

It is an amenable number.

25879914528 is an abundant number, since it is smaller than the sum of its proper divisors (47280616608).

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

25879914528 is a wasteful number, since it uses less digits than its factorization.

25879914528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20737137 (or 20737129 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 60.

The spelling of 25879914528 in words is "twenty-five billion, eight hundred seventy-nine million, nine hundred fourteen thousand, five hundred twenty-eight".