25214288656 has 40 divisors (see below), whose sum is σ = 51648579200. Its totient is φ = 11891422080.

The previous prime is 25214288651. The next prime is 25214288663. The reversal of 25214288656 is 65688241252.

It is not an unprimeable number, because it can be changed into a prime (25214288651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111480 + ... + 250711.

It is an arithmetic number, because the mean of its divisors is an integer number (1291214480).

Almost surely, 2^25214288656 is an apocalyptic number.

It is an amenable number.

25214288656 is an abundant number, since it is smaller than the sum of its proper divisors (26434290544).

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

25214288656 is a wasteful number, since it uses less digits than its factorization.

25214288656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362447 (or 362441 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The spelling of 25214288656 in words is "twenty-five billion, two hundred fourteen million, two hundred eighty-eight thousand, six hundred fifty-six".