25766212680 has 96 divisors (see below), whose sum is σ = 90181760760. Its totient is φ = 6342451200.

The previous prime is 25766212657. The next prime is 25766212711. The reversal of 25766212680 is 8621266752.

25766212680 is a `hidden beast` number, since 2 + 576 + 6 + 2 + 12 + 68 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21550827204 + 4215385476 = 146802^2 + 64926^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 2748121 + ... + 2757480.

Almost surely, 2^25766212680 is an apocalyptic number.

25766212680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25766212680 is an abundant number, since it is smaller than the sum of its proper divisors (64415548080).

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

25766212680 is a wasteful number, since it uses less digits than its factorization.

25766212680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505631 (or 5505624 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 25766212680 in words is "twenty-five billion, seven hundred sixty-six million, two hundred twelve thousand, six hundred eighty".