1444019128 has 16 divisors (see below), whose sum is σ = 2780713080. Its totient is φ = 702495648.

The previous prime is 1444019123. The next prime is 1444019141. The reversal of 1444019128 is 8219104441.

It is a junction number, because it is equal to n+sod(n) for n = 1444019093 and 1444019102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444019123) by changing a digit.

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, 2438926 + ... + 2439517.

Almost surely, 2^1444019128 is an apocalyptic number.

It is an amenable number.

1444019128 is a deficient number, since it is larger than the sum of its proper divisors (1336693952).

1444019128 is a wasteful number, since it uses less digits than its factorization.

1444019128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878486 (or 4878482 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1444019128 is about 38000.2516833770. The cubic root of 1444019128 is about 1130.2928543702.

The spelling of 1444019128 in words is "one billion, four hundred forty-four million, nineteen thousand, one hundred twenty-eight".