25542464232 has 64 divisors (see below), whose sum is σ = 67639302720. Its totient is φ = 8010134528.

The previous prime is 25542464231. The next prime is 25542464251. The reversal of 25542464232 is 23246424552.

It is not an unprimeable number, because it can be changed into a prime (25542464231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146463 + ... + 1168529.

It is an arithmetic number, because the mean of its divisors is an integer number (1056864105).

Almost surely, 2^25542464232 is an apocalyptic number.

It is an amenable number.

25542464232 is an abundant number, since it is smaller than the sum of its proper divisors (42096838488).

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

25542464232 is a wasteful number, since it uses less digits than its factorization.

25542464232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24930 (or 24926 counting only the distinct ones).

The product of its digits is 460800, while the sum is 39.

Adding to 25542464232 its reverse (23246424552), we get a palindrome (48788888784).

The spelling of 25542464232 in words is "twenty-five billion, five hundred forty-two million, four hundred sixty-four thousand, two hundred thirty-two".