2044816868 has 24 divisors (see below), whose sum is σ = 3647724864. Its totient is φ = 1002708000.

The previous prime is 2044816861. The next prime is 2044816871. The reversal of 2044816868 is 8686184402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2044816861) 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, 72593 + ... + 96743.

It is an arithmetic number, because the mean of its divisors is an integer number (151988536).

Almost surely, 2^2044816868 is an apocalyptic number.

It is an amenable number.

2044816868 is a deficient number, since it is larger than the sum of its proper divisors (1602907996).

2044816868 is a wasteful number, since it uses less digits than its factorization.

2044816868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24563 (or 24561 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 47.

The square root of 2044816868 is about 45219.6513476166. The cubic root of 2044816868 is about 1269.2625698040.

The spelling of 2044816868 in words is "two billion, forty-four million, eight hundred sixteen thousand, eight hundred sixty-eight".