442479364 has 12 divisors (see below), whose sum is σ = 774533788. Its totient is φ = 221184000.

The previous prime is 442479343. The next prime is 442479379. The reversal of 442479364 is 463974244.

It can be written as a sum of positive squares in 2 ways, for example, as 167184900 + 275294464 = 12930^2 + 16592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 442479364.

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, 7684 + ... + 30724.

Almost surely, 2^442479364 is an apocalyptic number.

It is an amenable number.

442479364 is a deficient number, since it is larger than the sum of its proper divisors (332054424).

442479364 is a wasteful number, since it uses less digits than its factorization.

442479364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27846 (or 27844 counting only the distinct ones).

The product of its digits is 580608, while the sum is 43.

The square root of 442479364 is about 21035.1934623858. The cubic root of 442479364 is about 762.0164388634.

The spelling of 442479364 in words is "four hundred forty-two million, four hundred seventy-nine thousand, three hundred sixty-four".