25989360 has 40 divisors (see below), whose sum is σ = 80567760. Its totient is φ = 6930432.

The previous prime is 25989349. The next prime is 25989391. The reversal of 25989360 is 6398952.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53905 + ... + 54384.

It is an arithmetic number, because the mean of its divisors is an integer number (2014194).

Almost surely, 2^25989360 is an apocalyptic number.

25989360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25989360 is an abundant number, since it is smaller than the sum of its proper divisors (54578400).

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

25989360 is a wasteful number, since it uses less digits than its factorization.

25989360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108305 (or 108299 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 25989360 is about 5097.9760689905. The cubic root of 25989360 is about 296.2091898421.

The spelling of 25989360 in words is "twenty-five million, nine hundred eighty-nine thousand, three hundred sixty".