25932656680 has 64 divisors (see below), whose sum is σ = 66735406080. Its totient is φ = 8884339200.

The previous prime is 25932656663. The next prime is 25932656693. The reversal of 25932656680 is 8665623952.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334825 + ... + 404935.

It is an arithmetic number, because the mean of its divisors is an integer number (1042740720).

Almost surely, 2^25932656680 is an apocalyptic number.

25932656680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25932656680 is an abundant number, since it is smaller than the sum of its proper divisors (40802749400).

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

25932656680 is a wasteful number, since it uses less digits than its factorization.

25932656680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71450 (or 71446 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 25932656680 in words is "twenty-five billion, nine hundred thirty-two million, six hundred fifty-six thousand, six hundred eighty".