25946680 has 32 divisors (see below), whose sum is σ = 59486400. Its totient is φ = 10182016.

The previous prime is 25946671. The next prime is 25946693. The reversal of 25946680 is 8664952.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000 + ... + 8239.

It is an arithmetic number, because the mean of its divisors is an integer number (1858950).

Almost surely, 2^25946680 is an apocalyptic number.

25946680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25946680 is an abundant number, since it is smaller than the sum of its proper divisors (33539720).

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

25946680 is a wasteful number, since it uses less digits than its factorization.

25946680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12303 (or 12299 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 25946680 is about 5093.7883740886. The cubic root of 25946680 is about 296.0469550541.

The spelling of 25946680 in words is "twenty-five million, nine hundred forty-six thousand, six hundred eighty".