25254656232 has 32 divisors (see below), whose sum is σ = 67993306080. Its totient is φ = 7770663360.

The previous prime is 25254656197. The next prime is 25254656233. The reversal of 25254656232 is 23265645252.

It is a happy number.

It is a super-2 number, since 2×25254656232² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25254656233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40471894 + ... + 40472517.

It is an arithmetic number, because the mean of its divisors is an integer number (2124790815).

Almost surely, 2^25254656232 is an apocalyptic number.

It is an amenable number.

25254656232 is an abundant number, since it is smaller than the sum of its proper divisors (42738649848).

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

25254656232 is a wasteful number, since it uses less digits than its factorization.

25254656232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80944433 (or 80944429 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The spelling of 25254656232 in words is "twenty-five billion, two hundred fifty-four million, six hundred fifty-six thousand, two hundred thirty-two".