1442637516 has 48 divisors (see below), whose sum is σ = 3404943360. Its totient is φ = 475370880.

The previous prime is 1442637503. The next prime is 1442637517. The reversal of 1442637516 is 6157362441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1442637517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380880 + ... + 384648.

It is an arithmetic number, because the mean of its divisors is an integer number (70936320).

Almost surely, 2^1442637516 is an apocalyptic number.

It is an amenable number.

1442637516 is an abundant number, since it is smaller than the sum of its proper divisors (1962305844).

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

1442637516 is a wasteful number, since it uses less digits than its factorization.

1442637516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134 (or 4132 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 1442637516 is about 37982.0683481034. The cubic root of 1442637516 is about 1129.9322579277.

Adding to 1442637516 its reverse (6157362441), we get a palindrome (7599999957).

The spelling of 1442637516 in words is "one billion, four hundred forty-two million, six hundred thirty-seven thousand, five hundred sixteen".