444164322002 has 4 divisors (see below), whose sum is σ = 666246483006. Its totient is φ = 222082161000.

The previous prime is 444164321999. The next prime is 444164322053. The reversal of 444164322002 is 200223461444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 421124421481 + 23039900521 = 648941^2 + 151789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444164322002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111041080499 + ... + 111041080502.

Almost surely, 2^444164322002 is an apocalyptic number.

444164322002 is a deficient number, since it is larger than the sum of its proper divisors (222082161004).

444164322002 is a wasteful number, since it uses less digits than its factorization.

444164322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222082161003.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 444164322002 its reverse (200223461444), we get a palindrome (644387783446).

The spelling of 444164322002 in words is "four hundred forty-four billion, one hundred sixty-four million, three hundred twenty-two thousand, two".