25402627748 has 48 divisors (see below), whose sum is σ = 46997870976. Its totient is φ = 11989528320.

The previous prime is 25402627717. The next prime is 25402627763. The reversal of 25402627748 is 84772620452.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13140590 + ... + 13142522.

It is an arithmetic number, because the mean of its divisors is an integer number (979122312).

Almost surely, 2^25402627748 is an apocalyptic number.

It is an amenable number.

25402627748 is a deficient number, since it is larger than the sum of its proper divisors (21595243228).

25402627748 is a wasteful number, since it uses less digits than its factorization.

25402627748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764 (or 3762 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 25402627748 in words is "twenty-five billion, four hundred two million, six hundred twenty-seven thousand, seven hundred forty-eight".