2044803881 has 4 divisors (see below), whose sum is σ = 2045813700. Its totient is φ = 2043794064.

The previous prime is 2044803869. The next prime is 2044803907. The reversal of 2044803881 is 1883084402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1364637481 + 680166400 = 36941^2 + 26080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044803881 is a prime.

It is a super-2 number, since 2×2044803881² = 8362445823505324322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044803821) 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 3 ways as a sum of consecutive naturals, for example, 501866 + ... + 505923.

It is an arithmetic number, because the mean of its divisors is an integer number (511453425).

Almost surely, 2^2044803881 is an apocalyptic number.

It is an amenable number.

2044803881 is a deficient number, since it is larger than the sum of its proper divisors (1009819).

2044803881 is a wasteful number, since it uses less digits than its factorization.

2044803881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009818.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 2044803881 is about 45219.5077483159. The cubic root of 2044803881 is about 1269.2598826933.

The spelling of 2044803881 in words is "two billion, forty-four million, eight hundred three thousand, eight hundred eighty-one".