25027800264 has 48 divisors (see below), whose sum is σ = 67803500700. Its totient is φ = 8340153984.

The previous prime is 25027800253. The next prime is 25027800289. The reversal of 25027800264 is 46200872052.

It can be written as a sum of positive squares in 2 ways, for example, as 24322897764 + 704902500 = 155958^2 + 26550^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 205182 + ... + 303570.

Almost surely, 2^25027800264 is an apocalyptic number.

25027800264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25027800264 is an abundant number, since it is smaller than the sum of its proper divisors (42775700436).

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

25027800264 is a wasteful number, since it uses less digits than its factorization.

25027800264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101934 (or 101927 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 25027800264 in words is "twenty-five billion, twenty-seven million, eight hundred thousand, two hundred sixty-four".