25595895028 has 96 divisors (see below), whose sum is σ = 52704304128. Its totient is φ = 10747123200.

The previous prime is 25595895019. The next prime is 25595895041. The reversal of 25595895028 is 82059859552.

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, 16587625 + ... + 16589167.

It is an arithmetic number, because the mean of its divisors is an integer number (549003168).

Almost surely, 2^25595895028 is an apocalyptic number.

It is an amenable number.

25595895028 is an abundant number, since it is smaller than the sum of its proper divisors (27108409100).

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

25595895028 is a wasteful number, since it uses less digits than its factorization.

25595895028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 58.

The spelling of 25595895028 in words is "twenty-five billion, five hundred ninety-five million, eight hundred ninety-five thousand, twenty-eight".