444405537477322 has 8 divisors (see below), whose sum is σ = 666803620702116. Its totient is φ = 222137663909952.

The previous prime is 444405537477287. The next prime is 444405537477359. The reversal of 444405537477322 is 223774735504444.

It can be written as a sum of positive squares in 2 ways, for example, as 443746906220601 + 658631256721 = 21065301^2 + 811561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 32552405823 + ... + 32552419474.

Almost surely, 2^{444405537477322} is an apocalyptic number.

444405537477322 is a deficient number, since it is larger than the sum of its proper divisors (222398083224794).

444405537477322 is a wasteful number, since it uses less digits than its factorization.

444405537477322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65104828712.

The product of its (nonzero) digits is 316108800, while the sum is 61.

The spelling of 444405537477322 in words is "four hundred forty-four trillion, four hundred five billion, five hundred thirty-seven million, four hundred seventy-seven thousand, three hundred twenty-two".