442000232 has 64 divisors (see below), whose sum is σ = 878169600. Its totient is φ = 208293120.

The previous prime is 442000219. The next prime is 442000243. The reversal of 442000232 is 232000244.

It is a self number, because there is not a number n which added to its sum of digits gives 442000232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243558 + ... + 2243754.

It is an arithmetic number, because the mean of its divisors is an integer number (13721400).

Almost surely, 2^442000232 is an apocalyptic number.

It is an amenable number.

442000232 is a deficient number, since it is larger than the sum of its proper divisors (436169368).

442000232 is a wasteful number, since it uses less digits than its factorization.

442000232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 442000232 is about 21023.8015591852. The cubic root of 442000232 is about 761.7412935853.

Adding to 442000232 its reverse (232000244), we get a palindrome (674000476).

The spelling of 442000232 in words is "four hundred forty-two million, two hundred thirty-two", and thus it is an aban number.