442320340440242 has 16 divisors (see below), whose sum is σ = 724014997646400. Its totient is φ = 200994123276240.

The previous prime is 442320340440127. The next prime is 442320340440311. The reversal of 442320340440242 is 242044043023244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442320340440196 and 442320340440205.

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, 3028771517 + ... + 3028917552.

It is an arithmetic number, because the mean of its divisors is an integer number (45250937352900).

Almost surely, 2^{442320340440242} is an apocalyptic number.

442320340440242 is a deficient number, since it is larger than the sum of its proper divisors (281694657206158).

442320340440242 is a wasteful number, since it uses less digits than its factorization.

442320340440242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057692401.

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 442320340440242 its reverse (242044043023244), we get a palindrome (684364383463486).

The spelling of 442320340440242 in words is "four hundred forty-two trillion, three hundred twenty billion, three hundred forty million, four hundred forty thousand, two hundred forty-two".