25820925324 has 48 divisors (see below), whose sum is σ = 61144849920. Its totient is φ = 8479448640.

The previous prime is 25820925289. The next prime is 25820925341. The reversal of 25820925324 is 42352902852.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407487 + ... + 466569.

It is an arithmetic number, because the mean of its divisors is an integer number (1273851040).

Almost surely, 2^25820925324 is an apocalyptic number.

It is an amenable number.

25820925324 is an abundant number, since it is smaller than the sum of its proper divisors (35323924596).

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

25820925324 is a wasteful number, since it uses less digits than its factorization.

25820925324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59630 (or 59628 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 25820925324 in words is "twenty-five billion, eight hundred twenty million, nine hundred twenty-five thousand, three hundred twenty-four".