1442340444 has 48 divisors (see below), whose sum is σ = 3396758400. Its totient is φ = 476329920.

The previous prime is 1442340439. The next prime is 1442340451. The reversal of 1442340444 is 4440432441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686107 + ... + 688205.

It is an arithmetic number, because the mean of its divisors is an integer number (70765800).

Almost surely, 2^1442340444 is an apocalyptic number.

It is an amenable number.

1442340444 is an abundant number, since it is smaller than the sum of its proper divisors (1954417956).

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

1442340444 is a wasteful number, since it uses less digits than its factorization.

1442340444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

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

The square root of 1442340444 is about 37978.1574592554. The cubic root of 1442340444 is about 1129.8546929872.

Adding to 1442340444 its reverse (4440432441), we get a palindrome (5882772885).

The spelling of 1442340444 in words is "one billion, four hundred forty-two million, three hundred forty thousand, four hundred forty-four".