25269783972 has 24 divisors (see below), whose sum is σ = 58983333696. Its totient is φ = 8420332128.

The previous prime is 25269783971. The next prime is 25269783997. The reversal of 25269783972 is 27938796252.

It is not an unprimeable number, because it can be changed into a prime (25269783971) 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, 330063 + ... + 399350.

It is an arithmetic number, because the mean of its divisors is an integer number (2457638904).

Almost surely, 2^25269783972 is an apocalyptic number.

It is an amenable number.

25269783972 is an abundant number, since it is smaller than the sum of its proper divisors (33713549724).

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

25269783972 is a wasteful number, since it uses less digits than its factorization.

25269783972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732307 (or 732305 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 25269783972 in words is "twenty-five billion, two hundred sixty-nine million, seven hundred eighty-three thousand, nine hundred seventy-two".