2044442045 has 8 divisors (see below), whose sum is σ = 2476259424. Its totient is φ = 1620267664.

The previous prime is 2044442039. The next prime is 2044442053. The reversal of 2044442045 is 5402444402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2044442045 - 2²⁶ = 1977333181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2044441999 and 2044442017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910159 + ... + 1911228.

It is an arithmetic number, because the mean of its divisors is an integer number (309532428).

Almost surely, 2^2044442045 is an apocalyptic number.

It is an amenable number.

2044442045 is a deficient number, since it is larger than the sum of its proper divisors (431817379).

2044442045 is a wasteful number, since it uses less digits than its factorization.

2044442045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821499.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 2044442045 is about 45215.5066874186. The cubic root of 2044442045 is about 1269.1850114525.

Adding to 2044442045 its reverse (5402444402), we get a palindrome (7446886447).

The spelling of 2044442045 in words is "two billion, forty-four million, four hundred forty-two thousand, forty-five".