25276218864 has 40 divisors (see below), whose sum is σ = 70319738832. Its totient is φ = 7777297920.

The previous prime is 25276218857. The next prime is 25276218881. The reversal of 25276218864 is 46881267252.

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 7 ways as a sum of consecutive naturals, for example, 20252757 + ... + 20254004.

Almost surely, 2^25276218864 is an apocalyptic number.

25276218864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25276218864 is an abundant number, since it is smaller than the sum of its proper divisors (45043519968).

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

25276218864 is a wasteful number, since it uses less digits than its factorization.

25276218864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40506785 (or 40506779 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 25276218864 in words is "twenty-five billion, two hundred seventy-six million, two hundred eighteen thousand, eight hundred sixty-four".