25240464 has 40 divisors (see below), whose sum is σ = 72450720. Its totient is φ = 8413344.

The previous prime is 25240447. The next prime is 25240483. The reversal of 25240464 is 46404252.

25240464 is a `hidden beast` number, since 252 + 404 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28782 + ... + 29645.

It is an arithmetic number, because the mean of its divisors is an integer number (1811268).

Almost surely, 2^25240464 is an apocalyptic number.

25240464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25240464 is an abundant number, since it is smaller than the sum of its proper divisors (47210256).

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

25240464 is a wasteful number, since it uses less digits than its factorization.

25240464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58444 (or 58432 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 25240464 is about 5023.9888534908. The cubic root of 25240464 is about 293.3362786665.

The spelling of 25240464 in words is "twenty-five million, two hundred forty thousand, four hundred sixty-four".