25610828260 has 48 divisors (see below), whose sum is σ = 54092208240. Its totient is φ = 10185543680.

The previous prime is 25610828237. The next prime is 25610828273. The reversal of 25610828260 is 6282801652.

It can be written as a sum of positive squares in 8 ways, for example, as 12794776996 + 12816051264 = 113114^2 + 113208^2 .

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, 2798412 + ... + 2807548.

It is an arithmetic number, because the mean of its divisors is an integer number (1126921005).

Almost surely, 2^25610828260 is an apocalyptic number.

25610828260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25610828260 is an abundant number, since it is smaller than the sum of its proper divisors (28481379980).

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

25610828260 is a wasteful number, since it uses less digits than its factorization.

25610828260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936 (or 9934 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 25610828260 in words is "twenty-five billion, six hundred ten million, eight hundred twenty-eight thousand, two hundred sixty".