2808122568 has 64 divisors (see below), whose sum is σ = 7215816960. Its totient is φ = 910168896.

The previous prime is 2808122533. The next prime is 2808122573. The reversal of 2808122568 is 8652218082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228271 + ... + 240257.

It is an arithmetic number, because the mean of its divisors is an integer number (112747140).

Almost surely, 2^2808122568 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 2808122568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3607908480).

2808122568 is an abundant number, since it is smaller than the sum of its proper divisors (4407694392).

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

2808122568 is a wasteful number, since it uses less digits than its factorization.

2808122568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266 (or 12262 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 2808122568 is about 52991.7216931098. The cubic root of 2808122568 is about 1410.8213392847.

The spelling of 2808122568 in words is "two billion, eight hundred eight million, one hundred twenty-two thousand, five hundred sixty-eight".