443440221232 has 80 divisors (see below), whose sum is σ = 938697856992. Its totient is φ = 202101309440.

The previous prime is 443440221223. The next prime is 443440221269. The reversal of 443440221232 is 232122044344.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 443440221194 and 443440221203.

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 in 15 ways as a sum of consecutive naturals, for example, 1382703 + ... + 1672945.

Almost surely, 2^443440221232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443440221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469348928496).

443440221232 is an abundant number, since it is smaller than the sum of its proper divisors (495257635760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443440221232 is a wasteful number, since it uses less digits than its factorization.

443440221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290446 (or 290440 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 443440221232 its reverse (232122044344), we get a palindrome (675562265576).

The spelling of 443440221232 in words is "four hundred forty-three billion, four hundred forty million, two hundred twenty-one thousand, two hundred thirty-two".