25662960 has 120 divisors (see below), whose sum is σ = 89213040. Its totient is φ = 6780672.

The previous prime is 25662953. The next prime is 25662961. The reversal of 25662960 is 6926652.

25662960 is a `hidden beast` number, since 2 + 566 + 2 + 96 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25662961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235386 + ... + 235494.

It is an arithmetic number, because the mean of its divisors is an integer number (743442).

Almost surely, 2^25662960 is an apocalyptic number.

25662960 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 25662960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44606520).

25662960 is an abundant number, since it is smaller than the sum of its proper divisors (63550080).

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

25662960 is a wasteful number, since it uses less digits than its factorization.

25662960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 25662960 is about 5065.8622168393. The cubic root of 25662960 is about 294.9639331565.

The spelling of 25662960 in words is "twenty-five million, six hundred sixty-two thousand, nine hundred sixty".