1444444428573 has 32 divisors (see below), whose sum is σ = 2144107843200. Its totient is φ = 961078694400.

The previous prime is 1444444428527. The next prime is 1444444428629. The reversal of 1444444428573 is 3758244444441.

1444444428573 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 4 + 4 + 44 + 28 + 573 = 666.

It is not a de Polignac number, because 1444444428573 - 2⁹ = 1444444428061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444444428523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43012333 + ... + 43045901.

It is an arithmetic number, because the mean of its divisors is an integer number (67003370100).

Almost surely, 2^{1444444428573} is an apocalyptic number.

It is an amenable number.

1444444428573 is a deficient number, since it is larger than the sum of its proper divisors (699663414627).

1444444428573 is a wasteful number, since it uses less digits than its factorization.

1444444428573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36650 (or 36644 counting only the distinct ones).

The product of its digits is 27525120, while the sum is 54.

The spelling of 1444444428573 in words is "one trillion, four hundred forty-four billion, four hundred forty-four million, four hundred twenty-eight thousand, five hundred seventy-three".