25490118604 has 12 divisors (see below), whose sum is σ = 44611011144. Its totient is φ = 12744115424.

The previous prime is 25490118593. The next prime is 25490118613. The reversal of 25490118604 is 40681109452.

It is a super-2 number, since 2×25490118604² (a number of 22 digits) contains 22 as substring.

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, 173362 + ... + 284665.

It is an arithmetic number, because the mean of its divisors is an integer number (3717584262).

Almost surely, 2^25490118604 is an apocalyptic number.

It is an amenable number.

25490118604 is a deficient number, since it is larger than the sum of its proper divisors (19120892540).

25490118604 is a wasteful number, since it uses less digits than its factorization.

25490118604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471944 (or 471942 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 25490118604 in words is "twenty-five billion, four hundred ninety million, one hundred eighteen thousand, six hundred four".