2566404204 has 96 divisors (see below), whose sum is σ = 7520755200. Its totient is φ = 676839744.

The previous prime is 2566404187. The next prime is 2566404229. The reversal of 2566404204 is 4024046652.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29527 + ... + 77489.

It is an arithmetic number, because the mean of its divisors is an integer number (78341200).

Almost surely, 2^2566404204 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 2566404204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3760377600).

2566404204 is an abundant number, since it is smaller than the sum of its proper divisors (4954350996).

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

2566404204 is a wasteful number, since it uses less digits than its factorization.

2566404204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48004 (or 47988 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 2566404204 is about 50659.6901293326. The cubic root of 2566404204 is about 1369.1205402175.

The spelling of 2566404204 in words is "two billion, five hundred sixty-six million, four hundred four thousand, two hundred four".