25832880 has 60 divisors (see below), whose sum is σ = 86757840. Its totient is φ = 6888576.

The previous prime is 25832831. The next prime is 25832909. The reversal of 25832880 is 8823852.

25832880 is a `hidden beast` number, since 258 + 328 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17220 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (1445964).

Almost surely, 2^25832880 is an apocalyptic number.

25832880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25832880 is an abundant number, since it is smaller than the sum of its proper divisors (60924960).

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

25832880 is a wasteful number, since it uses less digits than its factorization.

25832880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35898 (or 35889 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 25832880 is about 5082.6056309732. The cubic root of 25832880 is about 295.6135082327.

Subtracting from 25832880 its reverse (8823852), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 25832880 in words is "twenty-five million, eight hundred thirty-two thousand, eight hundred eighty".