25175427628 has 24 divisors (see below), whose sum is σ = 47450837952. Its totient is φ = 11618242944.

The previous prime is 25175427611. The next prime is 25175427637. The reversal of 25175427628 is 82672457152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683376 + ... + 719272.

It is an arithmetic number, because the mean of its divisors is an integer number (1977118248).

Almost surely, 2^25175427628 is an apocalyptic number.

It is an amenable number.

25175427628 is a deficient number, since it is larger than the sum of its proper divisors (22275410324).

25175427628 is a wasteful number, since it uses less digits than its factorization.

25175427628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49401 (or 49399 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 49.

The spelling of 25175427628 in words is "twenty-five billion, one hundred seventy-five million, four hundred twenty-seven thousand, six hundred twenty-eight".