2560565455 has 16 divisors (see below), whose sum is σ = 3512530944. Its totient is φ = 1755367200.

The previous prime is 2560565407. The next prime is 2560565471. The reversal of 2560565455 is 5545650652.

2560565455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2560565455 - 2⁷ = 2560565327 is a prime.

It is a Duffinian number.

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, 188130 + ... + 201280.

It is an arithmetic number, because the mean of its divisors is an integer number (219533184).

Almost surely, 2^2560565455 is an apocalyptic number.

2560565455 is a deficient number, since it is larger than the sum of its proper divisors (951965489).

2560565455 is a wasteful number, since it uses less digits than its factorization.

2560565455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726.

The product of its (nonzero) digits is 900000, while the sum is 43.

The square root of 2560565455 is about 50602.0301470208. The cubic root of 2560565455 is about 1368.0814701816.

The spelling of 2560565455 in words is "two billion, five hundred sixty million, five hundred sixty-five thousand, four hundred fifty-five".