442446682 has 16 divisors (see below), whose sum is σ = 671410152. Its totient is φ = 218649600.

The previous prime is 442446677. The next prime is 442446691. The reversal of 442446682 is 286644244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 91221601 + 351225081 = 9551^2 + 18741^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251518 + ... + 253270.

Almost surely, 2^442446682 is an apocalyptic number.

442446682 is a deficient number, since it is larger than the sum of its proper divisors (228963470).

442446682 is a wasteful number, since it uses less digits than its factorization.

442446682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153.

The product of its digits is 294912, while the sum is 40.

The square root of 442446682 is about 21034.4166070752. The cubic root of 442446682 is about 761.9976772846.

The spelling of 442446682 in words is "four hundred forty-two million, four hundred forty-six thousand, six hundred eighty-two".