25955600 has 120 divisors (see below), whose sum is σ = 72236448. Its totient is φ = 8857600.

The previous prime is 25955597. The next prime is 25955621. The reversal of 25955600 is 655952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74627 + ... + 74973.

Almost surely, 2^25955600 is an apocalyptic number.

25955600 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 25955600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36118224).

25955600 is an abundant number, since it is smaller than the sum of its proper divisors (46280848).

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

25955600 is a wasteful number, since it uses less digits than its factorization.

25955600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 25955600 is about 5094.6638750756. The cubic root of 25955600 is about 296.0808763661.

The spelling of 25955600 in words is "twenty-five million, nine hundred fifty-five thousand, six hundred".