2566830056 has 32 divisors (see below), whose sum is σ = 5577828480. Its totient is φ = 1084574400.

The previous prime is 2566830053. The next prime is 2566830073. The reversal of 2566830056 is 6500386652.

It is a junction number, because it is equal to n+sod(n) for n = 2566829995 and 2566830022.

It is not an unprimeable number, because it can be changed into a prime (2566830053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318815 + ... + 326766.

It is an arithmetic number, because the mean of its divisors is an integer number (174307140).

Almost surely, 2^2566830056 is an apocalyptic number.

It is an amenable number.

2566830056 is an abundant number, since it is smaller than the sum of its proper divisors (3010998424).

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

2566830056 is a wasteful number, since it uses less digits than its factorization.

2566830056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645665 (or 645661 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 2566830056 is about 50663.8930205724. The cubic root of 2566830056 is about 1369.1962636069.

The spelling of 2566830056 in words is "two billion, five hundred sixty-six million, eight hundred thirty thousand, fifty-six".