442240112 has 20 divisors (see below), whose sum is σ = 862302696. Its totient is φ = 219710400.

The previous prime is 442240093. The next prime is 442240121. The reversal of 442240112 is 211042244.

It is a congruent number.

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, 85514 + ... + 90537.

Almost surely, 2^442240112 is an apocalyptic number.

It is an amenable number.

442240112 is a deficient number, since it is larger than the sum of its proper divisors (420062584).

442240112 is a wasteful number, since it uses less digits than its factorization.

442240112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176216 (or 176210 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442240112 is about 21029.5057478772. The cubic root of 442240112 is about 761.8790713828.

Adding to 442240112 its reverse (211042244), we get a palindrome (653282356).

The spelling of 442240112 in words is "four hundred forty-two million, two hundred forty thousand, one hundred twelve".