25664476 has 12 divisors (see below), whose sum is σ = 45200008. Its totient is φ = 12750192.

The previous prime is 25664453. The next prime is 25664477. The reversal of 25664476 is 67446652.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25664477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19806 + ... + 21061.

Almost surely, 2^25664476 is an apocalyptic number.

It is an amenable number.

25664476 is a deficient number, since it is larger than the sum of its proper divisors (19535532).

25664476 is a wasteful number, since it uses less digits than its factorization.

25664476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41028 (or 41026 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 25664476 is about 5066.0118436498. The cubic root of 25664476 is about 294.9697412227.

The spelling of 25664476 in words is "twenty-five million, six hundred sixty-four thousand, four hundred seventy-six".