2800138892 has 12 divisors (see below), whose sum is σ = 4907238336. Its totient is φ = 1398070800.

The previous prime is 2800138853. The next prime is 2800138903. The reversal of 2800138892 is 2988310082.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496508 + ... + 502115.

It is an arithmetic number, because the mean of its divisors is an integer number (408936528).

Almost surely, 2^2800138892 is an apocalyptic number.

It is an amenable number.

2800138892 is a deficient number, since it is larger than the sum of its proper divisors (2107099444).

2800138892 is a wasteful number, since it uses less digits than its factorization.

2800138892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999328 (or 999326 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 2800138892 is about 52916.3386110566. The cubic root of 2800138892 is about 1409.4830511090.

The spelling of 2800138892 in words is "two billion, eight hundred million, one hundred thirty-eight thousand, eight hundred ninety-two".