2044618020 has 72 divisors (see below), whose sum is σ = 6402090240. Its totient is φ = 527641920.

The previous prime is 2044617997. The next prime is 2044618021. The reversal of 2044618020 is 208164402.

2044618020 is a `hidden beast` number, since 2 + 0 + 44 + 618 + 0 + 2 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (2044618021) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 177630 + ... + 188789.

It is an arithmetic number, because the mean of its divisors is an integer number (88917920).

Almost surely, 2^2044618020 is an apocalyptic number.

2044618020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044618020 is an abundant number, since it is smaller than the sum of its proper divisors (4357472220).

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

2044618020 is a wasteful number, since it uses less digits than its factorization.

2044618020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366465 (or 366460 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2044618020 is about 45217.4526040554. The cubic root of 2044618020 is about 1269.2214253688.

The spelling of 2044618020 in words is "two billion, forty-four million, six hundred eighteen thousand, twenty".