1044442001 has 4 divisors (see below), whose sum is σ = 1050479412. Its totient is φ = 1038404592.

The previous prime is 1044441991. The next prime is 1044442019. The reversal of 1044442001 is 1002444401.

It is a happy number.

1044442001 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 897062401 + 147379600 = 29951^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044442001 - 2¹⁰ = 1044440977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1044412001) 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, 3018446 + ... + 3018791.

It is an arithmetic number, because the mean of its divisors is an integer number (262619853).

Almost surely, 2^1044442001 is an apocalyptic number.

It is an amenable number.

1044442001 is a deficient number, since it is larger than the sum of its proper divisors (6037411).

1044442001 is an equidigital number, since it uses as much as digits as its factorization.

1044442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037410.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1044442001 is about 32317.8279127790. The cubic root of 1044442001 is about 1014.5998085848.

Adding to 1044442001 its reverse (1002444401), we get a palindrome (2046886402).

The spelling of 1044442001 in words is "one billion, forty-four million, four hundred forty-two thousand, one".