1442402518 has 8 divisors (see below), whose sum is σ = 2277477720. Its totient is φ = 683243280.

The previous prime is 1442402501. The next prime is 1442402527. The reversal of 1442402518 is 8152042441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1442402518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18978943 + ... + 18979018.

It is an arithmetic number, because the mean of its divisors is an integer number (284684715).

Almost surely, 2^1442402518 is an apocalyptic number.

1442402518 is a deficient number, since it is larger than the sum of its proper divisors (835075202).

1442402518 is a wasteful number, since it uses less digits than its factorization.

1442402518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37957982.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 1442402518 is about 37978.9746833692. The cubic root of 1442402518 is about 1129.8709012720.

Adding to 1442402518 its reverse (8152042441), we get a palindrome (9594444959).

The spelling of 1442402518 in words is "one billion, four hundred forty-two million, four hundred two thousand, five hundred eighteen".