442321316 has 12 divisors (see below), whose sum is σ = 783861120. Its totient is φ = 218361000.

The previous prime is 442321279. The next prime is 442321333. The reversal of 442321316 is 613123244.

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, 699560 + ... + 700191.

It is an arithmetic number, because the mean of its divisors is an integer number (65321760).

Almost surely, 2^442321316 is an apocalyptic number.

It is an amenable number.

442321316 is a deficient number, since it is larger than the sum of its proper divisors (341539804).

442321316 is a wasteful number, since it uses less digits than its factorization.

442321316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399834 (or 1399832 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 442321316 is about 21031.4363751029. The cubic root of 442321316 is about 761.9257005329.

The spelling of 442321316 in words is "four hundred forty-two million, three hundred twenty-one thousand, three hundred sixteen".