2044989775 has 12 divisors (see below), whose sum is σ = 2542000000. Its totient is φ = 1631983680.

The previous prime is 2044989769. The next prime is 2044989811. The reversal of 2044989775 is 5779894402.

It is not a de Polignac number, because 2044989775 - 2³ = 2044989767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89775 + ... + 110224.

Almost surely, 2^2044989775 is an apocalyptic number.

2044989775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2044989775 is a deficient number, since it is larger than the sum of its proper divisors (497010225).

2044989775 is a wasteful number, since it uses less digits than its factorization.

2044989775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200418 (or 200413 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The square root of 2044989775 is about 45221.5631640482. The cubic root of 2044989775 is about 1269.2983445150.

It can be divided in two parts, 20449 and 89775, that added together give a square (110224 = 332²).

The spelling of 2044989775 in words is "two billion, forty-four million, nine hundred eighty-nine thousand, seven hundred seventy-five".