25855360 has 64 divisors (see below), whose sum is σ = 62791200. Its totient is φ = 10178560.

The previous prime is 25855343. The next prime is 25855363. The reversal of 25855360 is 6355852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25855363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45156 + ... + 45724.

Almost surely, 2^25855360 is an apocalyptic number.

25855360 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 25855360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31395600).

25855360 is an abundant number, since it is smaller than the sum of its proper divisors (36935840).

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

25855360 is an equidigital number, since it uses as much as digits as its factorization.

25855360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 25855360 is about 5084.8166141956. The cubic root of 25855360 is about 295.6992318656.

The spelling of 25855360 in words is "twenty-five million, eight hundred fifty-five thousand, three hundred sixty".