442604426 has 16 divisors (see below), whose sum is σ = 724668768. Its totient is φ = 201070800.

The previous prime is 442604413. The next prime is 442604443. The reversal of 442604426 is 624406244.

It is a junction number, because it is equal to n+sod(n) for n = 442604392 and 442604401.

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, 44141 + ... + 53231.

It is an arithmetic number, because the mean of its divisors is an integer number (45291798).

Almost surely, 2^442604426 is an apocalyptic number.

442604426 is a deficient number, since it is larger than the sum of its proper divisors (282064342).

442604426 is a wasteful number, since it uses less digits than its factorization.

442604426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11317.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 442604426 is about 21038.1659371724. The cubic root of 442604426 is about 762.0882239986.

The spelling of 442604426 in words is "four hundred forty-two million, six hundred four thousand, four hundred twenty-six".