442805260198 has 16 divisors (see below), whose sum is σ = 759104317440. Its totient is φ = 189771286536.

The previous prime is 442805260151. The next prime is 442805260211. The reversal of 442805260198 is 891062508244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378813 + ... + 1669351.

It is an arithmetic number, because the mean of its divisors is an integer number (47444019840).

Almost surely, 2^442805260198 is an apocalyptic number.

442805260198 is a deficient number, since it is larger than the sum of its proper divisors (316299057242).

442805260198 is a wasteful number, since it uses less digits than its factorization.

442805260198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399411.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 442805260198 in words is "four hundred forty-two billion, eight hundred five million, two hundred sixty thousand, one hundred ninety-eight".