25056562422 has 32 divisors (see below), whose sum is σ = 51412635648. Its totient is φ = 8136618336.

The previous prime is 25056562367. The next prime is 25056562471. The reversal of 25056562422 is 22426565052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27973 + ... + 225600.

It is an arithmetic number, because the mean of its divisors is an integer number (1606644864).

Almost surely, 2^25056562422 is an apocalyptic number.

25056562422 is an abundant number, since it is smaller than the sum of its proper divisors (26356073226).

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

25056562422 is a wasteful number, since it uses less digits than its factorization.

25056562422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254004.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 25056562422 in words is "twenty-five billion, fifty-six million, five hundred sixty-two thousand, four hundred twenty-two".