1442263116 has 96 divisors (see below), whose sum is σ = 4043289600. Its totient is φ = 391209984.

The previous prime is 1442263111. The next prime is 1442263159. The reversal of 1442263116 is 6113622441.

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 (1442263111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261960 + ... + 267408.

It is an arithmetic number, because the mean of its divisors is an integer number (42117600).

Almost surely, 2^1442263116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442263116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021644800).

1442263116 is an abundant number, since it is smaller than the sum of its proper divisors (2601026484).

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

1442263116 is a wasteful number, since it uses less digits than its factorization.

1442263116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623 (or 5621 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 1442263116 is about 37977.1393867416. The cubic root of 1442263116 is about 1129.8345010449.

Adding to 1442263116 its reverse (6113622441), we get a palindrome (7555885557).

The spelling of 1442263116 in words is "one billion, four hundred forty-two million, two hundred sixty-three thousand, one hundred sixteen".