25322510320 has 40 divisors (see below), whose sum is σ = 59840009280. Its totient is φ = 9962952960.

The previous prime is 25322510309. The next prime is 25322510341. The reversal of 25322510320 is 2301522352.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 2589640 + ... + 2599399.

It is an arithmetic number, because the mean of its divisors is an integer number (1496000232).

Almost surely, 2^25322510320 is an apocalyptic number.

25322510320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25322510320 is an abundant number, since it is smaller than the sum of its proper divisors (34517498960).

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

25322510320 is a wasteful number, since it uses less digits than its factorization.

25322510320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189113 (or 5189107 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 25322510320 in words is "twenty-five billion, three hundred twenty-two million, five hundred ten thousand, three hundred twenty".