442443312202 has 8 divisors (see below), whose sum is σ = 686549967300. Its totient is φ = 213593323104.

The previous prime is 442443312197. The next prime is 442443312203. The reversal of 442443312202 is 202213344244.

It can be written as a sum of positive squares in 2 ways, for example, as 432817936321 + 9625375881 = 657889^2 + 98109^2 .

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

It is not an unprimeable number, because it can be changed into a prime (442443312203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3814166427 + ... + 3814166542.

Almost surely, 2^442443312202 is an apocalyptic number.

442443312202 is a deficient number, since it is larger than the sum of its proper divisors (244106655098).

442443312202 is a wasteful number, since it uses less digits than its factorization.

442443312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628333000.

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

Adding to 442443312202 its reverse (202213344244), we get a palindrome (644656656446).

The spelling of 442443312202 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred twelve thousand, two hundred two".