25253222456 has 64 divisors (see below), whose sum is σ = 59914702080. Its totient is φ = 9692052480.

The previous prime is 25253222453. The next prime is 25253222479. The reversal of 25253222456 is 65422235252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253222453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264665 + ... + 347208.

It is an arithmetic number, because the mean of its divisors is an integer number (936167220).

Almost surely, 2^25253222456 is an apocalyptic number.

It is an amenable number.

25253222456 is an abundant number, since it is smaller than the sum of its proper divisors (34661479624).

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

25253222456 is a wasteful number, since it uses less digits than its factorization.

25253222456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611964 (or 611960 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

The spelling of 25253222456 in words is "twenty-five billion, two hundred fifty-three million, two hundred twenty-two thousand, four hundred fifty-six".