444785379844 has 48 divisors (see below), whose sum is σ = 858210914736. Its totient is φ = 200446156800.

The previous prime is 444785379803. The next prime is 444785379851. The reversal of 444785379844 is 448973587444.

It can be written as a sum of positive squares in 8 ways, for example, as 106249921600 + 338535458244 = 325960^2 + 581838^2 .

It is a super-2 number, since 2×444785379844² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444785379844.

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 15 ways as a sum of consecutive naturals, for example, 77197 + ... + 946324.

It is an arithmetic number, because the mean of its divisors is an integer number (17879394057).

Almost surely, 2^444785379844 is an apocalyptic number.

It is an amenable number.

444785379844 is a deficient number, since it is larger than the sum of its proper divisors (413425534892).

444785379844 is a wasteful number, since it uses less digits than its factorization.

444785379844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023736 (or 1023734 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 67.

The spelling of 444785379844 in words is "four hundred forty-four billion, seven hundred eighty-five million, three hundred seventy-nine thousand, eight hundred forty-four".