25160580990 has 64 divisors (see below), whose sum is σ = 67903315200. Its totient is φ = 6628645152.

The previous prime is 25160580967. The next prime is 25160581027. The reversal of 25160580990 is 9908506152.

25160580990 is a `hidden beast` number, since 2 + 5 + 1 + 60 + 580 + 9 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 538960 + ... + 583779.

It is an arithmetic number, because the mean of its divisors is an integer number (1060989300).

Almost surely, 2^25160580990 is an apocalyptic number.

25160580990 is an abundant number, since it is smaller than the sum of its proper divisors (42742734210).

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

25160580990 is a wasteful number, since it uses less digits than its factorization.

25160580990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122838 (or 1122832 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 25160580990 in words is "twenty-five billion, one hundred sixty million, five hundred eighty thousand, nine hundred ninety".