25274372772 has 48 divisors (see below), whose sum is σ = 66073557312. Its totient is φ = 7451902080.

The previous prime is 25274372749. The next prime is 25274372803. The reversal of 25274372772 is 27727347252.

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, 2582583 + ... + 2592350.

It is an arithmetic number, because the mean of its divisors is an integer number (1376532444).

Almost surely, 2^25274372772 is an apocalyptic number.

25274372772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25274372772 is an abundant number, since it is smaller than the sum of its proper divisors (40799184540).

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

25274372772 is a wasteful number, since it uses less digits than its factorization.

25274372772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174988 (or 5174986 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 48.

The spelling of 25274372772 in words is "twenty-five billion, two hundred seventy-four million, three hundred seventy-two thousand, seven hundred seventy-two".