442018873460 has 12 divisors (see below), whose sum is σ = 928239634308. Its totient is φ = 176807549376.

The previous prime is 442018873433. The next prime is 442018873477. The reversal of 442018873460 is 64378810244.

It can be written as a sum of positive squares in 2 ways, for example, as 197638928356 + 244379945104 = 444566^2 + 494348^2 .

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 3 ways as a sum of consecutive naturals, for example, 11050471817 + ... + 11050471856.

It is an arithmetic number, because the mean of its divisors is an integer number (77353302859).

Almost surely, 2^442018873460 is an apocalyptic number.

It is an amenable number.

442018873460 is an abundant number, since it is smaller than the sum of its proper divisors (486220760848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442018873460 is a wasteful number, since it uses less digits than its factorization.

442018873460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22100943682 (or 22100943680 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 442018873460 in words is "four hundred forty-two billion, eighteen million, eight hundred seventy-three thousand, four hundred sixty".