25454162632 has 16 divisors (see below), whose sum is σ = 47729839500. Its totient is φ = 12726205440.

The previous prime is 25454162627. The next prime is 25454162639. The reversal of 25454162632 is 23626145452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25397521956 + 56640676 = 159366^2 + 7526^2 .

It is not an unprimeable number, because it can be changed into a prime (25454162639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23532 + ... + 226852.

Almost surely, 2^25454162632 is an apocalyptic number.

It is an amenable number.

25454162632 is a deficient number, since it is larger than the sum of its proper divisors (22275676868).

25454162632 is a wasteful number, since it uses less digits than its factorization.

25454162632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218976 (or 218972 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The spelling of 25454162632 in words is "twenty-five billion, four hundred fifty-four million, one hundred sixty-two thousand, six hundred thirty-two".