442283044180168 has 16 divisors (see below), whose sum is σ = 829322887101660. Its totient is φ = 221130274286400.

The previous prime is 442283044180157. The next prime is 442283044180183. The reversal of 442283044180168 is 861081440382244.

It can be written as a sum of positive squares in 2 ways, for example, as 377664886694404 + 64618157485764 = 19433602^2 + 8038542^2 .

It is a super-2 number, since 2×442283044180168² (a number of 30 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 3 ways as a sum of consecutive naturals, for example, 1405808343 + ... + 1406122918.

Almost surely, 2^{442283044180168} is an apocalyptic number.

It is an amenable number.

442283044180168 is a deficient number, since it is larger than the sum of its proper divisors (387039842921492).

442283044180168 is a wasteful number, since it uses less digits than its factorization.

442283044180168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811950928 (or 2811950924 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 55.

The spelling of 442283044180168 in words is "four hundred forty-two trillion, two hundred eighty-three billion, forty-four million, one hundred eighty thousand, one hundred sixty-eight".