2808130180 has 24 divisors (see below), whose sum is σ = 6040906200. Its totient is φ = 1095855360.

The previous prime is 2808130153. The next prime is 2808130183. The reversal of 2808130180 is 810318082.

It can be written as a sum of positive squares in 4 ways, for example, as 13527684 + 2794602496 = 3678^2 + 52864^2 .

It is not an unprimeable number, because it can be changed into a prime (2808130183) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1711455 + ... + 1713094.

It is an arithmetic number, because the mean of its divisors is an integer number (251704425).

Almost surely, 2^2808130180 is an apocalyptic number.

2808130180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2808130180 is an abundant number, since it is smaller than the sum of its proper divisors (3232776020).

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

2808130180 is a wasteful number, since it uses less digits than its factorization.

2808130180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424599 (or 3424597 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 2808130180 is about 52991.7935156001. The cubic root of 2808130180 is about 1410.8226140583.

The spelling of 2808130180 in words is "two billion, eight hundred eight million, one hundred thirty thousand, one hundred eighty".