2566562144 has 24 divisors (see below), whose sum is σ = 5081159160. Its totient is φ = 1276109056.

The previous prime is 2566562093. The next prime is 2566562171. The reversal of 2566562144 is 4412656652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218309 + ... + 229764.

It is an arithmetic number, because the mean of its divisors is an integer number (211714965).

Almost surely, 2^2566562144 is an apocalyptic number.

It is an amenable number.

2566562144 is a deficient number, since it is larger than the sum of its proper divisors (2514597016).

2566562144 is a wasteful number, since it uses less digits than its factorization.

2566562144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448262 (or 448254 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 2566562144 is about 50661.2489384145. The cubic root of 2566562144 is about 1369.1486254872.

The spelling of 2566562144 in words is "two billion, five hundred sixty-six million, five hundred sixty-two thousand, one hundred forty-four".