25223748256 has 24 divisors (see below), whose sum is σ = 56753434080. Its totient is φ = 10810177728.

The previous prime is 25223748217. The next prime is 25223748259. The reversal of 25223748256 is 65284732252.

It is not an unprimeable number, because it can be changed into a prime (25223748259) 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, 56302786 + ... + 56303233.

It is an arithmetic number, because the mean of its divisors is an integer number (2364726420).

Almost surely, 2^25223748256 is an apocalyptic number.

It is an amenable number.

25223748256 is an abundant number, since it is smaller than the sum of its proper divisors (31529685824).

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

25223748256 is a wasteful number, since it uses less digits than its factorization.

25223748256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112606036 (or 112606028 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 46.

The spelling of 25223748256 in words is "twenty-five billion, two hundred twenty-three million, seven hundred forty-eight thousand, two hundred fifty-six".