25932880 has 20 divisors (see below), whose sum is σ = 60294132. Its totient is φ = 10373120.

The previous prime is 25932877. The next prime is 25932887. The reversal of 25932880 is 8823952.

It can be written as a sum of positive squares in 2 ways, for example, as 19998784 + 5934096 = 4472^2 + 2436^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25932887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162001 + ... + 162160.

Almost surely, 2^25932880 is an apocalyptic number.

25932880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25932880 is an abundant number, since it is smaller than the sum of its proper divisors (34361252).

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

25932880 is a wasteful number, since it uses less digits than its factorization.

25932880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324174 (or 324168 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 25932880 is about 5092.4336029054. The cubic root of 25932880 is about 295.9944605732.

The spelling of 25932880 in words is "twenty-five million, nine hundred thirty-two thousand, eight hundred eighty".