1144440339 has 32 divisors (see below), whose sum is σ = 1789724160. Its totient is φ = 636844800.

The previous prime is 1144440331. The next prime is 1144440343. The reversal of 1144440339 is 9330444411.

It is not a de Polignac number, because 1144440339 - 2³ = 1144440331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144440331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706072 + ... + 707690.

It is an arithmetic number, because the mean of its divisors is an integer number (55928880).

Almost surely, 2^1144440339 is an apocalyptic number.

1144440339 is a deficient number, since it is larger than the sum of its proper divisors (645283821).

1144440339 is a wasteful number, since it uses less digits than its factorization.

1144440339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1144440339 is about 33829.5778720338. The cubic root of 1144440339 is about 1045.9984776120.

The spelling of 1144440339 in words is "one billion, one hundred forty-four million, four hundred forty thousand, three hundred thirty-nine".