442344412 has 6 divisors (see below), whose sum is σ = 774102728. Its totient is φ = 221172204.

The previous prime is 442344389. The next prime is 442344421. The reversal of 442344412 is 214443244.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 55293048 + ... + 55293055.

Almost surely, 2^442344412 is an apocalyptic number.

It is an amenable number.

442344412 is a deficient number, since it is larger than the sum of its proper divisors (331758316).

442344412 is a wasteful number, since it uses less digits than its factorization.

442344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110586107 (or 110586105 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 442344412 is about 21031.9854507367. The cubic root of 442344412 is about 761.9389617295.

Adding to 442344412 its reverse (214443244), we get a palindrome (656787656).

The spelling of 442344412 in words is "four hundred forty-two million, three hundred forty-four thousand, four hundred twelve".