2562804664 has 96 divisors (see below), whose sum is σ = 5922892800. Its totient is φ = 1033663680.

The previous prime is 2562804659. The next prime is 2562804703. The reversal of 2562804664 is 4664082652.

It is a self number, because there is not a number n which added to its sum of digits gives 2562804664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212969 + ... + 1215079.

It is an arithmetic number, because the mean of its divisors is an integer number (61696800).

Almost surely, 2^2562804664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2562804664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2961446400).

2562804664 is an abundant number, since it is smaller than the sum of its proper divisors (3360088136).

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

2562804664 is a wasteful number, since it uses less digits than its factorization.

2562804664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The square root of 2562804664 is about 50624.1509953500. The cubic root of 2562804664 is about 1368.4801487604.

The spelling of 2562804664 in words is "two billion, five hundred sixty-two million, eight hundred four thousand, six hundred sixty-four".