25358880 has 96 divisors (see below), whose sum is σ = 83389824. Its totient is φ = 6465536.

The previous prime is 25358867. The next prime is 25358911. The reversal of 25358880 is 8885352.

It is a tau number, because it is divible by the number of its divisors (96).

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, 9892 + ... + 12188.

It is an arithmetic number, because the mean of its divisors is an integer number (868644).

Almost surely, 2^25358880 is an apocalyptic number.

25358880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25358880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41694912).

25358880 is an abundant number, since it is smaller than the sum of its proper divisors (58030944).

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

25358880 is a wasteful number, since it uses less digits than its factorization.

25358880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 25358880 is about 5035.7601213719. The cubic root of 25358880 is about 293.7942936075.

The spelling of 25358880 in words is "twenty-five million, three hundred fifty-eight thousand, eight hundred eighty".