1444224642 has 16 divisors (see below), whose sum is σ = 3301084992. Its totient is φ = 412635600.

The previous prime is 1444224641. The next prime is 1444224701. The reversal of 1444224642 is 2464224441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1444224641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17193109 + ... + 17193192.

It is an arithmetic number, because the mean of its divisors is an integer number (206317812).

Almost surely, 2^1444224642 is an apocalyptic number.

1444224642 is an abundant number, since it is smaller than the sum of its proper divisors (1856860350).

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

1444224642 is a wasteful number, since it uses less digits than its factorization.

1444224642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34386313.

The product of its digits is 49152, while the sum is 33.

The square root of 1444224642 is about 38002.9557008399. The cubic root of 1444224642 is about 1130.3464732321.

The spelling of 1444224642 in words is "one billion, four hundred forty-four million, two hundred twenty-four thousand, six hundred forty-two".