2018806928 has 20 divisors (see below), whose sum is σ = 4046316540. Its totient is φ = 974596224.

The previous prime is 2018806921. The next prime is 2018806963. The reversal of 2018806928 is 8296088102.

It can be written as a sum of positive squares in 2 ways, for example, as 935870464 + 1082936464 = 30592^2 + 32908^2 .

It is not an unprimeable number, because it can be changed into a prime (2018806921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174975 + ... + 2175902.

It is an arithmetic number, because the mean of its divisors is an integer number (202315827).

Almost surely, 2^2018806928 is an apocalyptic number.

It is an amenable number.

2018806928 is an abundant number, since it is smaller than the sum of its proper divisors (2027509612).

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

2018806928 is a wasteful number, since it uses less digits than its factorization.

2018806928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350914 (or 4350908 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 2018806928 is about 44931.1353962928. The cubic root of 2018806928 is about 1263.8579428292.

The spelling of 2018806928 in words is "two billion, eighteen million, eight hundred six thousand, nine hundred twenty-eight".