1442433444 has 48 divisors (see below), whose sum is σ = 3428449920. Its totient is φ = 471905280.

The previous prime is 1442433397. The next prime is 1442433449. The reversal of 1442433444 is 4443342441.

It is a super-2 number, since 2×1442433444² = 4161228480739402272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1442433449) 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 15 ways as a sum of consecutive naturals, for example, 191412 + ... + 198804.

It is an arithmetic number, because the mean of its divisors is an integer number (71426040).

Almost surely, 2^1442433444 is an apocalyptic number.

It is an amenable number.

1442433444 is an abundant number, since it is smaller than the sum of its proper divisors (1986016476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442433444 is a wasteful number, since it uses less digits than its factorization.

1442433444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700 (or 7698 counting only the distinct ones).

The product of its digits is 73728, while the sum is 33.

The square root of 1442433444 is about 37979.3818275127. The cubic root of 1442433444 is about 1129.8789762574.

Adding to 1442433444 its reverse (4443342441), we get a palindrome (5885775885).

The spelling of 1442433444 in words is "one billion, four hundred forty-two million, four hundred thirty-three thousand, four hundred forty-four".