2808138810 has 16 divisors (see below), whose sum is σ = 6739533216. Its totient is φ = 748837008.

The previous prime is 2808138757. The next prime is 2808138811. The reversal of 2808138810 is 188318082.

It is a super-2 number, since 2×2808138810² = 15771287152456432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2808138811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46802284 + ... + 46802343.

It is an arithmetic number, because the mean of its divisors is an integer number (421220826).

Almost surely, 2^2808138810 is an apocalyptic number.

2808138810 is an abundant number, since it is smaller than the sum of its proper divisors (3931394406).

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

2808138810 is a wasteful number, since it uses less digits than its factorization.

2808138810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93604637.

The product of its (nonzero) digits is 24576, while the sum is 39.

The square root of 2808138810 is about 52991.8749432401. The cubic root of 2808138810 is about 1410.8240593126.

The spelling of 2808138810 in words is "two billion, eight hundred eight million, one hundred thirty-eight thousand, eight hundred ten".