422240040442 has 8 divisors (see below), whose sum is σ = 690938248032. Its totient is φ = 191927291100.

The previous prime is 422240040419. The next prime is 422240040473. The reversal of 422240040442 is 244040042224.

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

It is a self number, because there is not a number n which added to its sum of digits gives 422240040442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9596364534 + ... + 9596364577.

It is an arithmetic number, because the mean of its divisors is an integer number (86367281004).

Almost surely, 2^422240040442 is an apocalyptic number.

422240040442 is a deficient number, since it is larger than the sum of its proper divisors (268698207590).

422240040442 is a wasteful number, since it uses less digits than its factorization.

422240040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19192729124.

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

Adding to 422240040442 its reverse (244040042224), we get a palindrome (666280082666).

The spelling of 422240040442 in words is "four hundred twenty-two billion, two hundred forty million, forty thousand, four hundred forty-two".