442340012 has 12 divisors (see below), whose sum is σ = 774532416. Its totient is φ = 221045040.

The previous prime is 442340009. The next prime is 442340053. The reversal of 442340012 is 210043244.

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, 23039 + ... + 37622.

It is an arithmetic number, because the mean of its divisors is an integer number (64544368).

Almost surely, 2^442340012 is an apocalyptic number.

It is an amenable number.

442340012 is a deficient number, since it is larger than the sum of its proper divisors (332192404).

442340012 is a wasteful number, since it uses less digits than its factorization.

442340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62488 (or 62486 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442340012 is about 21031.8808478938. The cubic root of 442340012 is about 761.9364353854.

Adding to 442340012 its reverse (210043244), we get a palindrome (652383256).

The spelling of 442340012 in words is "four hundred forty-two million, three hundred forty thousand, twelve".