25775983260 has 72 divisors (see below), whose sum is σ = 78382349136. Its totient is φ = 6856435200.

The previous prime is 25775983193. The next prime is 25775983273. The reversal of 25775983260 is 6238957752.

25775983260 is a `hidden beast` number, since 2 + 577 + 5 + 9 + 8 + 3 + 2 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25775983197 and 25775983206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106374 + ... + 250733.

It is an arithmetic number, because the mean of its divisors is an integer number (1088643738).

Almost surely, 2^25775983260 is an apocalyptic number.

25775983260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25775983260 is an abundant number, since it is smaller than the sum of its proper divisors (52606365876).

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

25775983260 is a wasteful number, since it uses less digits than its factorization.

25775983260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357523 (or 357518 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 25775983260 in words is "twenty-five billion, seven hundred seventy-five million, nine hundred eighty-three thousand, two hundred sixty".