25484418764 has 12 divisors (see below), whose sum is σ = 50968837584. Its totient is φ = 10921893744.

The previous prime is 25484418737. The next prime is 25484418787. The reversal of 25484418764 is 46781448452.

25484418764 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455078879 + ... + 455078934.

It is an arithmetic number, because the mean of its divisors is an integer number (4247403132).

Almost surely, 2^25484418764 is an apocalyptic number.

It is an amenable number.

25484418764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25484418764 is a wasteful number, since it uses less digits than its factorization.

25484418764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910157824 (or 910157822 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 53.

The spelling of 25484418764 in words is "twenty-five billion, four hundred eighty-four million, four hundred eighteen thousand, seven hundred sixty-four".