442842016 has 12 divisors (see below), whose sum is σ = 871845282. Its totient is φ = 221420992.

The previous prime is 442842007. The next prime is 442842053. The reversal of 442842016 is 610248244.

It can be written as a sum of positive squares in only one way, i.e., 432473616 + 10368400 = 20796^2 + 3220^2 .

It is a super-2 number, since 2×442842016² = 392218102269888512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919375 + ... + 6919438.

Almost surely, 2^442842016 is an apocalyptic number.

It is an amenable number.

442842016 is a deficient number, since it is larger than the sum of its proper divisors (429003266).

442842016 is a wasteful number, since it uses less digits than its factorization.

442842016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13838823 (or 13838815 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 442842016 is about 21043.8118220060. The cubic root of 442842016 is about 762.2245625601.

The spelling of 442842016 in words is "four hundred forty-two million, eight hundred forty-two thousand, sixteen".