442244311144142 has 8 divisors (see below), whose sum is σ = 714394656463656. Its totient is φ = 204112758989592.

The previous prime is 442244311144091. The next prime is 442244311144249. The reversal of 442244311144142 is 241441113442244.

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 442244311144142.

It is a congruent number.

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, 8504698291208 + ... + 8504698291259.

It is an arithmetic number, because the mean of its divisors is an integer number (89299332057957).

Almost surely, 2^{442244311144142} is an apocalyptic number.

442244311144142 is a deficient number, since it is larger than the sum of its proper divisors (272150345319514).

442244311144142 is a wasteful number, since it uses less digits than its factorization.

442244311144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17009396582482.

The product of its digits is 393216, while the sum is 41.

Adding to 442244311144142 its reverse (241441113442244), we get a palindrome (683685424586386).

The spelling of 442244311144142 in words is "four hundred forty-two trillion, two hundred forty-four billion, three hundred eleven million, one hundred forty-four thousand, one hundred forty-two".