2044441121 has 4 divisors (see below), whose sum is σ = 2045944644. Its totient is φ = 2042937600.

The previous prime is 2044441111. The next prime is 2044441123. The reversal of 2044441121 is 1211444402.

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 609546721 + 1434894400 = 24689^2 + 37880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044441121 - 2³⁰ = 970699297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044441123) 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, 749720 + ... + 752441.

It is an arithmetic number, because the mean of its divisors is an integer number (511486161).

Almost surely, 2^2044441121 is an apocalyptic number.

It is an amenable number.

2044441121 is a deficient number, since it is larger than the sum of its proper divisors (1503523).

2044441121 is a wasteful number, since it uses less digits than its factorization.

2044441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503522.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2044441121 is about 45215.4964696839. The cubic root of 2044441121 is about 1269.1848202468.

Adding to 2044441121 its reverse (1211444402), we get a palindrome (3255885523).

The spelling of 2044441121 in words is "two billion, forty-four million, four hundred forty-one thousand, one hundred twenty-one".