442420424002 has 16 divisors (see below), whose sum is σ = 666521767800. Its totient is φ = 220248387072.

The previous prime is 442420423933. The next prime is 442420424027. The reversal of 442420424002 is 200424024244.

It can be written as a sum of positive squares in 4 ways, for example, as 441269246961 + 1151177041 = 664281^2 + 33929^2 .

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 7 ways as a sum of consecutive naturals, for example, 1153 + ... + 940660.

Almost surely, 2^442420424002 is an apocalyptic number.

442420424002 is a deficient number, since it is larger than the sum of its proper divisors (224101343798).

442420424002 is a wasteful number, since it uses less digits than its factorization.

442420424002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942837.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 442420424002 its reverse (200424024244), we get a palindrome (642844448246).

The spelling of 442420424002 in words is "four hundred forty-two billion, four hundred twenty million, four hundred twenty-four thousand, two".