25919220504 has 16 divisors (see below), whose sum is σ = 64798051320. Its totient is φ = 8639740160.

The previous prime is 25919220449. The next prime is 25919220511. The reversal of 25919220504 is 40502291952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539983737 + ... + 539983784.

Almost surely, 2^25919220504 is an apocalyptic number.

25919220504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25919220504 is an abundant number, since it is smaller than the sum of its proper divisors (38878830816).

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

25919220504 is a wasteful number, since it uses less digits than its factorization.

25919220504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079967530 (or 1079967526 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 25919220504 in words is "twenty-five billion, nine hundred nineteen million, two hundred twenty thousand, five hundred four".