442340421312322 has 16 divisors (see below), whose sum is σ = 715377895061760. Its totient is φ = 203920550754192.

The previous prime is 442340421312311. The next prime is 442340421312359. The reversal of 442340421312322 is 223213124043244.

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, 9856926072 + ... + 9856970947.

It is an arithmetic number, because the mean of its divisors is an integer number (44711118441360).

Almost surely, 2^{442340421312322} is an apocalyptic number.

442340421312322 is a deficient number, since it is larger than the sum of its proper divisors (273037473749438).

442340421312322 is a wasteful number, since it uses less digits than its factorization.

442340421312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19713897897.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 442340421312322 its reverse (223213124043244), we get a palindrome (665553545355566).

The spelling of 442340421312322 in words is "four hundred forty-two trillion, three hundred forty billion, four hundred twenty-one million, three hundred twelve thousand, three hundred twenty-two".