25868444 has 24 divisors (see below), whose sum is σ = 52364928. Its totient is φ = 10951920.

The previous prime is 25868431. The next prime is 25868449. The reversal of 25868444 is 44486852.

It is a super-2 number, since 2×25868444² = 1338352789962272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25868449) 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, 3242 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (2181872).

Almost surely, 2^25868444 is an apocalyptic number.

It is an amenable number.

25868444 is an abundant number, since it is smaller than the sum of its proper divisors (26496484).

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

25868444 is a wasteful number, since it uses less digits than its factorization.

25868444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11225 (or 11223 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 25868444 is about 5086.1030268763. The cubic root of 25868444 is about 295.7491025864.

The spelling of 25868444 in words is "twenty-five million, eight hundred sixty-eight thousand, four hundred forty-four".