25731416232 has 32 divisors (see below), whose sum is σ = 71476156800. Its totient is φ = 8577138672.

The previous prime is 25731416203. The next prime is 25731416239. The reversal of 25731416232 is 23261413752.

25731416232 is a `hidden beast` number, since 2 + 5 + 7 + 3 + 1 + 416 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25731416239) 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, 59563248 + ... + 59563679.

It is an arithmetic number, because the mean of its divisors is an integer number (2233629900).

Almost surely, 2^25731416232 is an apocalyptic number.

It is an amenable number.

25731416232 is an abundant number, since it is smaller than the sum of its proper divisors (45744740568).

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

25731416232 is a wasteful number, since it uses less digits than its factorization.

25731416232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119126942 (or 119126932 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

Adding to 25731416232 its reverse (23261413752), we get a palindrome (48992829984).

The spelling of 25731416232 in words is "twenty-five billion, seven hundred thirty-one million, four hundred sixteen thousand, two hundred thirty-two".