443421730465042 has 16 divisors (see below), whose sum is σ = 804866334289920. Its totient is φ = 178859185397568.

The previous prime is 443421730465037. The next prime is 443421730465097. The reversal of 443421730465042 is 240564037124344.

It is a super-2 number, since 2×443421730465042² (a number of 30 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 931558257042 + ... + 931558257517.

It is an arithmetic number, because the mean of its divisors is an integer number (50304145893120).

Almost surely, 2^{443421730465042} is an apocalyptic number.

443421730465042 is a deficient number, since it is larger than the sum of its proper divisors (361444603824878).

443421730465042 is a wasteful number, since it uses less digits than its factorization.

443421730465042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863116514585.

The product of its (nonzero) digits is 7741440, while the sum is 49.

Adding to 443421730465042 its reverse (240564037124344), we get a palindrome (683985767589386).

The spelling of 443421730465042 in words is "four hundred forty-three trillion, four hundred twenty-one billion, seven hundred thirty million, four hundred sixty-five thousand, forty-two".