444527442304564 has 6 divisors (see below), whose sum is σ = 777923024032994. Its totient is φ = 222263721152280.

The previous prime is 444527442304489. The next prime is 444527442304571. The reversal of 444527442304564 is 465403244725444.

It can be written as a sum of positive squares in only one way, i.e., 389436281539600 + 55091160764964 = 19734140^2 + 7422342^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444527442304499 and 444527442304508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565930288067 + ... + 55565930288074.

Almost surely, 2^{444527442304564} is an apocalyptic number.

It is an amenable number.

444527442304564 is a deficient number, since it is larger than the sum of its proper divisors (333395581728430).

444527442304564 is a wasteful number, since it uses less digits than its factorization.

444527442304564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111131860576145 (or 111131860576143 counting only the distinct ones).

The product of its (nonzero) digits is 206438400, while the sum is 58.

The spelling of 444527442304564 in words is "four hundred forty-four trillion, five hundred twenty-seven billion, four hundred forty-two million, three hundred four thousand, five hundred sixty-four".