25415345464 has 16 divisors (see below), whose sum is σ = 47659332600. Its totient is φ = 12706190112.

The previous prime is 25415345447. The next prime is 25415345477. The reversal of 25415345464 is 46454351452.

It is a self number, because there is not a number n which added to its sum of digits gives 25415345464.

It is a congruent 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, 110707 + ... + 251170.

Almost surely, 2^25415345464 is an apocalyptic number.

It is an amenable number.

25415345464 is a deficient number, since it is larger than the sum of its proper divisors (22243987136).

25415345464 is a wasteful number, since it uses less digits than its factorization.

25415345464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370662 (or 370658 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The spelling of 25415345464 in words is "twenty-five billion, four hundred fifteen million, three hundred forty-five thousand, four hundred sixty-four".