442220400042 has 16 divisors (see below), whose sum is σ = 884640006912. Its totient is φ = 147373598880.

The previous prime is 442220400031. The next prime is 442220400073. The reversal of 442220400042 is 240004022244.

It is a junction number, because it is equal to n+sod(n) for n = 442220399985 and 442220400021.

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, 8271418 + ... + 8324709.

It is an arithmetic number, because the mean of its divisors is an integer number (55290000432).

Almost surely, 2^442220400042 is an apocalyptic number.

442220400042 is an abundant number, since it is smaller than the sum of its proper divisors (442419606870).

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

442220400042 is a wasteful number, since it uses less digits than its factorization.

442220400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600573.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 442220400042 its reverse (240004022244), we get a palindrome (682224422286).

The spelling of 442220400042 in words is "four hundred forty-two billion, two hundred twenty million, four hundred thousand, forty-two".