25640096 has 24 divisors (see below), whose sum is σ = 51236640. Its totient is φ = 12627648.

The previous prime is 25640081. The next prime is 25640171. The reversal of 25640096 is 69004652.

It is a Harshad number since it is a multiple of its sum of digits (32).

Together with 25596544 it forms an amicable pair .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (2134860).

Almost surely, 2^25640096 is an apocalyptic number.

It is an amenable number.

25640096 is a deficient number, since it is larger than the sum of its proper divisors (25596544).

25640096 is a wasteful number, since it uses less digits than its factorization.

25640096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036 (or 12028 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 25640096 is about 5063.6050398901. The cubic root of 25640096 is about 294.8763093438.

The spelling of 25640096 in words is "twenty-five million, six hundred forty thousand, ninety-six".