1442724784 has 20 divisors (see below), whose sum is σ = 2854754784. Its totient is φ = 706013888.

The previous prime is 1442724743. The next prime is 1442724791. The reversal of 1442724784 is 4874272441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442724784.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 958507 + ... + 960010.

Almost surely, 2^1442724784 is an apocalyptic number.

It is an amenable number.

1442724784 is a deficient number, since it is larger than the sum of its proper divisors (1412030000).

1442724784 is a wasteful number, since it uses less digits than its factorization.

1442724784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918572 (or 1918566 counting only the distinct ones).

The product of its digits is 401408, while the sum is 43.

The square root of 1442724784 is about 37983.2171359931. The cubic root of 1442724784 is about 1129.9550414149.

The spelling of 1442724784 in words is "one billion, four hundred forty-two million, seven hundred twenty-four thousand, seven hundred eighty-four".