25604460 has 108 divisors (see below), whose sum is σ = 90378288. Its totient is φ = 5850432.

The previous prime is 25604437. The next prime is 25604471. The reversal of 25604460 is 6440652.

It is a happy number.

25604460 is a `hidden beast` number, since 2 + 560 + 44 + 60 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7369 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (836836).

Almost surely, 2^25604460 is an apocalyptic number.

25604460 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 25604460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45189144).

25604460 is an abundant number, since it is smaller than the sum of its proper divisors (64773828).

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

25604460 is a wasteful number, since it uses less digits than its factorization.

25604460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25604460 is about 5060.0849795236. The cubic root of 25604460 is about 294.7396342937.

The spelling of 25604460 in words is "twenty-five million, six hundred four thousand, four hundred sixty".