2565022456 has 16 divisors (see below), whose sum is σ = 4811838840. Its totient is φ = 1281865440.

The previous prime is 2565022451. The next prime is 2565022459. The reversal of 2565022456 is 6542205652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565022451) 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, 63631 + ... + 95806.

Almost surely, 2^2565022456 is an apocalyptic number.

It is an amenable number.

2565022456 is a deficient number, since it is larger than the sum of its proper divisors (2246816384).

2565022456 is a wasteful number, since it uses less digits than its factorization.

2565022456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161454 (or 161450 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 2565022456 is about 50646.0507443572. The cubic root of 2565022456 is about 1368.8747853234.

The spelling of 2565022456 in words is "two billion, five hundred sixty-five million, twenty-two thousand, four hundred fifty-six".