1442665338 has 16 divisors (see below), whose sum is σ = 2902010976. Its totient is φ = 478108400.

The previous prime is 1442665333. The next prime is 1442665361. The reversal of 1442665338 is 8335662441.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442665338.

It is not an unprimeable number, because it can be changed into a prime (1442665331) 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, 693888 + ... + 695963.

It is an arithmetic number, because the mean of its divisors is an integer number (181375686).

Almost surely, 2^1442665338 is an apocalyptic number.

1442665338 is an abundant number, since it is smaller than the sum of its proper divisors (1459345638).

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

1442665338 is a wasteful number, since it uses less digits than its factorization.

1442665338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390029.

The product of its digits is 414720, while the sum is 42.

The square root of 1442665338 is about 37982.4345981139. The cubic root of 1442665338 is about 1129.9395216542.

The spelling of 1442665338 in words is "one billion, four hundred forty-two million, six hundred sixty-five thousand, three hundred thirty-eight".