1044404045 has 4 divisors (see below), whose sum is σ = 1253284860. Its totient is φ = 835523232.

The previous prime is 1044404041. The next prime is 1044404047. The reversal of 1044404045 is 5404044401.

1044404045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 807582724 + 236821321 = 28418^2 + 15389^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044404045 - 2² = 1044404041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044404041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104440400 + ... + 104440409.

It is an arithmetic number, because the mean of its divisors is an integer number (313321215).

Almost surely, 2^1044404045 is an apocalyptic number.

It is an amenable number.

1044404045 is a deficient number, since it is larger than the sum of its proper divisors (208880815).

1044404045 is an equidigital number, since it uses as much as digits as its factorization.

1044404045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208880814.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1044404045 is about 32317.2406773846. The cubic root of 1044404045 is about 1014.5875179336.

Adding to 1044404045 its reverse (5404044401), we get a palindrome (6448448446).

The spelling of 1044404045 in words is "one billion, forty-four million, four hundred four thousand, forty-five".