1144388326 has 16 divisors (see below), whose sum is σ = 1772933184. Its totient is φ = 553659624.

The previous prime is 1144388321. The next prime is 1144388327. The reversal of 1144388326 is 6238834411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144388321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52980 + ... + 71383.

It is an arithmetic number, because the mean of its divisors is an integer number (110808324).

Almost surely, 2^1144388326 is an apocalyptic number.

1144388326 is a deficient number, since it is larger than the sum of its proper divisors (628544858).

1144388326 is a wasteful number, since it uses less digits than its factorization.

1144388326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124515.

The product of its digits is 110592, while the sum is 40.

The square root of 1144388326 is about 33828.8091129440. The cubic root of 1144388326 is about 1045.9826310474.

The spelling of 1144388326 in words is "one billion, one hundred forty-four million, three hundred eighty-eight thousand, three hundred twenty-six".