25620942368 has 48 divisors (see below), whose sum is σ = 60153528960. Its totient is φ = 10502992896.

The previous prime is 25620942343. The next prime is 25620942383. The reversal of 25620942368 is 86324902652.

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, 2481353 + ... + 2491656.

It is an arithmetic number, because the mean of its divisors is an integer number (1253198520).

Almost surely, 2^25620942368 is an apocalyptic number.

25620942368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25620942368 is an abundant number, since it is smaller than the sum of its proper divisors (34532586592).

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

25620942368 is a wasteful number, since it uses less digits than its factorization.

25620942368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973049 (or 4973041 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 25620942368 in words is "twenty-five billion, six hundred twenty million, nine hundred forty-two thousand, three hundred sixty-eight".