25468440 has 64 divisors (see below), whose sum is σ = 76744800. Its totient is φ = 6761472.

The previous prime is 25468433. The next prime is 25468441. The reversal of 25468440 is 4486452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25468441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44476 + ... + 45044.

Almost surely, 2^25468440 is an apocalyptic number.

25468440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25468440 is an abundant number, since it is smaller than the sum of its proper divisors (51276360).

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

25468440 is a wasteful number, since it uses less digits than its factorization.

25468440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 25468440 is about 5046.6265960540. The cubic root of 25468440 is about 294.2167867513.

The spelling of 25468440 in words is "twenty-five million, four hundred sixty-eight thousand, four hundred forty".