1442423244 has 24 divisors (see below), whose sum is σ = 3456618928. Its totient is φ = 467812800.

The previous prime is 1442423239. The next prime is 1442423251. The reversal of 1442423244 is 4423242441.

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

It is an unprimeable number.

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, 1623907 + ... + 1624794.

Almost surely, 2^1442423244 is an apocalyptic number.

It is an amenable number.

1442423244 is an abundant number, since it is smaller than the sum of its proper divisors (2014195684).

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

1442423244 is a wasteful number, since it uses less digits than its factorization.

1442423244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248745 (or 3248743 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 1442423244 is about 37979.2475438890. The cubic root of 1442423244 is about 1129.8763129820.

Adding to 1442423244 its reverse (4423242441), we get a palindrome (5865665685).

The spelling of 1442423244 in words is "one billion, four hundred forty-two million, four hundred twenty-three thousand, two hundred forty-four".