442131324202 has 16 divisors (see below), whose sum is σ = 663760500480. Its totient is φ = 220877903392.

The previous prime is 442131324097. The next prime is 442131324247. The reversal of 442131324202 is 202423131244.

It is a super-2 number, since 2×442131324202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12834333 + ... + 12868735.

It is an arithmetic number, because the mean of its divisors is an integer number (41485031280).

Almost surely, 2^442131324202 is an apocalyptic number.

442131324202 is a deficient number, since it is larger than the sum of its proper divisors (221629176278).

442131324202 is a wasteful number, since it uses less digits than its factorization.

442131324202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39677.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 442131324202 its reverse (202423131244), we get a palindrome (644554455446).

The spelling of 442131324202 in words is "four hundred forty-two billion, one hundred thirty-one million, three hundred twenty-four thousand, two hundred two".