422404204144 has 40 divisors (see below), whose sum is σ = 885245371920. Its totient is φ = 194096928768.

The previous prime is 422404204099. The next prime is 422404204147. The reversal of 422404204144 is 441402404224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422404204147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4425889 + ... + 4520320.

It is an arithmetic number, because the mean of its divisors is an integer number (22131134298).

Almost surely, 2^422404204144 is an apocalyptic number.

It is an amenable number.

422404204144 is an abundant number, since it is smaller than the sum of its proper divisors (462841167776).

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

422404204144 is a wasteful number, since it uses less digits than its factorization.

422404204144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946457 (or 8946451 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 422404204144 its reverse (441402404224), we get a palindrome (863806608368).

The spelling of 422404204144 in words is "four hundred twenty-two billion, four hundred four million, two hundred four thousand, one hundred forty-four".