1044340443 has 12 divisors (see below), whose sum is σ = 1515259200. Its totient is φ = 693103536.

The previous prime is 1044340439. The next prime is 1044340459. The reversal of 1044340443 is 3440434401.

It is not a de Polignac number, because 1044340443 - 2² = 1044340439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044340433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258168 + ... + 262181.

It is an arithmetic number, because the mean of its divisors is an integer number (126271600).

Almost surely, 2^1044340443 is an apocalyptic number.

1044340443 is a deficient number, since it is larger than the sum of its proper divisors (470918757).

1044340443 is a wasteful number, since it uses less digits than its factorization.

1044340443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520578 (or 520575 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1044340443 is about 32316.2566365599. The cubic root of 1044340443 is about 1014.5669221034.

Adding to 1044340443 its reverse (3440434401), we get a palindrome (4484774844).

The spelling of 1044340443 in words is "one billion, forty-four million, three hundred forty thousand, four hundred forty-three".