442186022852818 has 16 divisors (see below), whose sum is σ = 702298399110624. Its totient is φ = 208086665780800.

The previous prime is 442186022852759. The next prime is 442186022852867. The reversal of 442186022852818 is 818258220681244.

It is a happy number.

It is a super-2 number, since 2×442186022852818² (a number of 30 digits) contains 22 as substring.

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, 19078108 + ... + 35331943.

It is an arithmetic number, because the mean of its divisors is an integer number (43893649944414).

Almost surely, 2^{442186022852818} is an apocalyptic number.

442186022852818 is a deficient number, since it is larger than the sum of its proper divisors (260112376257806).

442186022852818 is a wasteful number, since it uses less digits than its factorization.

442186022852818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54649097.

The product of its (nonzero) digits is 31457280, while the sum is 61.

The spelling of 442186022852818 in words is "four hundred forty-two trillion, one hundred eighty-six billion, twenty-two million, eight hundred fifty-two thousand, eight hundred eighteen".