1044320043 has 16 divisors (see below), whose sum is σ = 1520660736. Its totient is φ = 633605280.

The previous prime is 1044320041. The next prime is 1044320063. The reversal of 1044320043 is 3400234401.

It is not a de Polignac number, because 1044320043 - 2¹ = 1044320041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185805 + ... + 191342.

It is an arithmetic number, because the mean of its divisors is an integer number (95041296).

Almost surely, 2^1044320043 is an apocalyptic number.

1044320043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1044320043 is a deficient number, since it is larger than the sum of its proper divisors (476340693).

1044320043 is a wasteful number, since it uses less digits than its factorization.

1044320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377234.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1044320043 is about 32315.9410044021. The cubic root of 1044320043 is about 1014.5603159243.

Adding to 1044320043 its reverse (3400234401), we get a palindrome (4444554444).

The spelling of 1044320043 in words is "one billion, forty-four million, three hundred twenty thousand, forty-three".