444012320330 has 8 divisors (see below), whose sum is σ = 799222176612. Its totient is φ = 177604928128.

The previous prime is 444012320309. The next prime is 444012320347. The reversal of 444012320330 is 33023210444.

It can be written as a sum of positive squares in 2 ways, for example, as 358430913481 + 85581406849 = 598691^2 + 292543^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444012320330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22200616007 + ... + 22200616026.

Almost surely, 2^444012320330 is an apocalyptic number.

444012320330 is a deficient number, since it is larger than the sum of its proper divisors (355209856282).

444012320330 is a wasteful number, since it uses less digits than its factorization.

444012320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44401232040.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 444012320330 its reverse (33023210444), we get a palindrome (477035530774).

The spelling of 444012320330 in words is "four hundred forty-four billion, twelve million, three hundred twenty thousand, three hundred thirty".