2568999804 has 96 divisors (see below), whose sum is σ = 7226419200. Its totient is φ = 693904320.

The previous prime is 2568999803. The next prime is 2568999821. The reversal of 2568999804 is 4089998652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568999803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909907 + ... + 912725.

It is an arithmetic number, because the mean of its divisors is an integer number (75275200).

Almost surely, 2^2568999804 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 2568999804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3613209600).

2568999804 is an abundant number, since it is smaller than the sum of its proper divisors (4657419396).

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

2568999804 is a wasteful number, since it uses less digits than its factorization.

2568999804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The square root of 2568999804 is about 50685.3016563974. The cubic root of 2568999804 is about 1369.5819499859.

The spelling of 2568999804 in words is "two billion, five hundred sixty-eight million, nine hundred ninety-nine thousand, eight hundred four".