25504414068 has 48 divisors (see below), whose sum is σ = 68024033280. Its totient is φ = 7285661664.

The previous prime is 25504414049. The next prime is 25504414097. The reversal of 25504414068 is 86041440552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501853 + ... + 550331.

It is an arithmetic number, because the mean of its divisors is an integer number (1417167360).

Almost surely, 2^25504414068 is an apocalyptic number.

25504414068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25504414068 is an abundant number, since it is smaller than the sum of its proper divisors (42519619212).

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

25504414068 is a wasteful number, since it uses less digits than its factorization.

25504414068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54756 (or 54754 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 25504414068 in words is "twenty-five billion, five hundred four million, four hundred fourteen thousand, sixty-eight".