443212423330442 has 8 divisors (see below), whose sum is σ = 682786706211876. Its totient is φ = 215616854593152.

The previous prime is 443212423330399. The next prime is 443212423330451. The reversal of 443212423330442 is 244033324212344.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 437543019465841 + 5669403864601 = 20917529^2 + 2381051^2 .

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

It is a super-2 number, since 2×443212423330442² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 443212423330442.

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, 2994678535943 + ... + 2994678536090.

Almost surely, 2^{443212423330442} is an apocalyptic number.

443212423330442 is a deficient number, since it is larger than the sum of its proper divisors (239574282881434).

443212423330442 is a wasteful number, since it uses less digits than its factorization.

443212423330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989357072072.

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 443212423330442 its reverse (244033324212344), we get a palindrome (687245747542786).

The spelling of 443212423330442 in words is "four hundred forty-three trillion, two hundred twelve billion, four hundred twenty-three million, three hundred thirty thousand, four hundred forty-two".