2808628880 has 40 divisors (see below), whose sum is σ = 6532649592. Its totient is φ = 1123006464.

The previous prime is 2808628853. The next prime is 2808628891. The reversal of 2808628880 is 888268082.

It can be written as a sum of positive squares in 4 ways, for example, as 202322176 + 2606306704 = 14224^2 + 51052^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 259742 + ... + 270338.

Almost surely, 2^2808628880 is an apocalyptic number.

2808628880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2808628880 is an abundant number, since it is smaller than the sum of its proper divisors (3724020712).

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

2808628880 is a wasteful number, since it uses less digits than its factorization.

2808628880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13923 (or 13917 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 50.

The square root of 2808628880 is about 52996.4987522761. The cubic root of 2808628880 is about 1410.9061258078.

The spelling of 2808628880 in words is "two billion, eight hundred eight million, six hundred twenty-eight thousand, eight hundred eighty".