422400042444 has 24 divisors (see below), whose sum is σ = 990603150768. Its totient is φ = 140085292480.

The previous prime is 422400042409. The next prime is 422400042563. The reversal of 422400042444 is 444240004224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89337747 + ... + 89342474.

It is an arithmetic number, because the mean of its divisors is an integer number (41275131282).

Almost surely, 2^422400042444 is an apocalyptic number.

It is an amenable number.

422400042444 is an abundant number, since it is smaller than the sum of its proper divisors (568203108324).

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

422400042444 is a wasteful number, since it uses less digits than its factorization.

422400042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178680425 (or 178680423 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 422400042444 its reverse (444240004224), we get a palindrome (866640046668).

The spelling of 422400042444 in words is "four hundred twenty-two billion, four hundred million, forty-two thousand, four hundred forty-four".