25027800260 has 12 divisors (see below), whose sum is σ = 52558380588. Its totient is φ = 10011120096.

The previous prime is 25027800253. The next prime is 25027800289. The reversal of 25027800260 is 6200872052.

It can be written as a sum of positive squares in 2 ways, for example, as 8772570244 + 16255230016 = 93662^2 + 127496^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 625694987 + ... + 625695026.

It is an arithmetic number, because the mean of its divisors is an integer number (4379865049).

Almost surely, 2^25027800260 is an apocalyptic number.

25027800260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25027800260 is an abundant number, since it is smaller than the sum of its proper divisors (27530580328).

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

25027800260 is a wasteful number, since it uses less digits than its factorization.

25027800260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251390022 (or 1251390020 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 25027800260 in words is "twenty-five billion, twenty-seven million, eight hundred thousand, two hundred sixty".