443181121242 has 32 divisors (see below), whose sum is σ = 892714542720. Its totient is φ = 146670989760.

The previous prime is 443181121237. The next prime is 443181121289. The reversal of 443181121242 is 242121181344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332859 + ... + 998577.

It is an arithmetic number, because the mean of its divisors is an integer number (27897329460).

Almost surely, 2^443181121242 is an apocalyptic number.

It is a pronic number, being equal to 665718×665719.

443181121242 is an abundant number, since it is smaller than the sum of its proper divisors (449533421478).

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

443181121242 is a wasteful number, since it uses less digits than its factorization.

443181121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666518.

The product of its digits is 12288, while the sum is 33.

The spelling of 443181121242 in words is "four hundred forty-three billion, one hundred eighty-one million, one hundred twenty-one thousand, two hundred forty-two".