442068216 has 32 divisors (see below), whose sum is σ = 1106438400. Its totient is φ = 147187040.

The previous prime is 442068203. The next prime is 442068227. The reversal of 442068216 is 612860244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11755 + ... + 31973.

It is an arithmetic number, because the mean of its divisors is an integer number (34576200).

Almost surely, 2^442068216 is an apocalyptic number.

It is an amenable number.

442068216 is an abundant number, since it is smaller than the sum of its proper divisors (664370184).

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

442068216 is a wasteful number, since it uses less digits than its factorization.

442068216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21139 (or 21135 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 442068216 is about 21025.4183311534. The cubic root of 442068216 is about 761.7803460273.

The spelling of 442068216 in words is "four hundred forty-two million, sixty-eight thousand, two hundred sixteen".