442208738126 has 16 divisors (see below), whose sum is σ = 672105168000. Its totient is φ = 218180034168.

The previous prime is 442208738119. The next prime is 442208738161. The reversal of 442208738126 is 621837802244.

It is a congruent number.

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, 1448276 + ... + 1726823.

It is an arithmetic number, because the mean of its divisors is an integer number (42006573000).

Almost surely, 2^442208738126 is an apocalyptic number.

442208738126 is a deficient number, since it is larger than the sum of its proper divisors (229896429874).

442208738126 is a wasteful number, since it uses less digits than its factorization.

442208738126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176023.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 442208738126 in words is "four hundred forty-two billion, two hundred eight million, seven hundred thirty-eight thousand, one hundred twenty-six".