442444142368 has 12 divisors (see below), whose sum is σ = 871061905350. Its totient is φ = 221222071168.

The previous prime is 442444142339. The next prime is 442444142419. The reversal of 442444142368 is 863241444244.

It can be written as a sum of positive squares in only one way, i.e., 269996630544 + 172447511824 = 519612^2 + 415268^2 .

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 as a sum of consecutive naturals, namely, 6913189693 + ... + 6913189756.

Almost surely, 2^442444142368 is an apocalyptic number.

It is an amenable number.

442444142368 is a deficient number, since it is larger than the sum of its proper divisors (428617762982).

442444142368 is a wasteful number, since it uses less digits than its factorization.

442444142368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13826379459 (or 13826379451 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 46.

The spelling of 442444142368 in words is "four hundred forty-two billion, four hundred forty-four million, one hundred forty-two thousand, three hundred sixty-eight".