1442244444 has 24 divisors (see below), whose sum is σ = 3436839168. Its totient is φ = 470519280.

The previous prime is 1442244379. The next prime is 1442244449. The reversal of 1442244444 is 4444422441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442244449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278022 + ... + 1279149.

It is an arithmetic number, because the mean of its divisors is an integer number (143201632).

Almost surely, 2^1442244444 is an apocalyptic number.

It is an amenable number.

1442244444 is an abundant number, since it is smaller than the sum of its proper divisors (1994594724).

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

1442244444 is a wasteful number, since it uses less digits than its factorization.

1442244444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557225 (or 2557223 counting only the distinct ones).

The product of its digits is 65536, while the sum is 33.

The square root of 1442244444 is about 37976.8935538440. The cubic root of 1442244444 is about 1129.8296252908.

Adding to 1442244444 its reverse (4444422441), we get a palindrome (5886666885).

The spelling of 1442244444 in words is "one billion, four hundred forty-two million, two hundred forty-four thousand, four hundred forty-four".