442264482018 has 18 divisors (see below), whose sum is σ = 958245824289. Its totient is φ = 147420553512.

The previous prime is 442264482007. The next prime is 442264482031. The reversal of 442264482018 is 810284462244.

It can be written as a sum of positive squares in 2 ways, for example, as 308854728009 + 133409754009 = 555747^2 + 365253^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=470247.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2743108 + ... + 2899856.

Almost surely, 2^442264482018 is an apocalyptic number.

442264482018 is an abundant number, since it is smaller than the sum of its proper divisors (515981342271).

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

442264482018 is an frugal number, since it uses more digits than its factorization.

442264482018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313506 (or 156754 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 45.

The spelling of 442264482018 in words is "four hundred forty-two billion, two hundred sixty-four million, four hundred eighty-two thousand, eighteen".