442002330312 has 16 divisors (see below), whose sum is σ = 1105005825840. Its totient is φ = 147334110096.

The previous prime is 442002330307. The next prime is 442002330331. The reversal of 442002330312 is 213033200244.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 18416763763 = 442002330312 / (4 + 4 + 2 + 0 + 0 + 2 + 3 + 3 + 0 + 3 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9208381858 + ... + 9208381905.

It is an arithmetic number, because the mean of its divisors is an integer number (69062864115).

Almost surely, 2^442002330312 is an apocalyptic number.

It is an amenable number.

442002330312 is an abundant number, since it is smaller than the sum of its proper divisors (663003495528).

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

442002330312 is a wasteful number, since it uses less digits than its factorization.

442002330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416763772 (or 18416763768 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 442002330312 its reverse (213033200244), we get a palindrome (655035530556).

The spelling of 442002330312 in words is "four hundred forty-two billion, two million, three hundred thirty thousand, three hundred twelve".