442000210 has 8 divisors (see below), whose sum is σ = 795600396. Its totient is φ = 176800080.

The previous prime is 442000199. The next prime is 442000219. The reversal of 442000210 is 12000244.

It can be written as a sum of positive squares in 2 ways, for example, as 407272761 + 34727449 = 20181^2 + 5893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (442000219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22100001 + ... + 22100020.

Almost surely, 2^442000210 is an apocalyptic number.

442000210 is a deficient number, since it is larger than the sum of its proper divisors (353600186).

442000210 is a wasteful number, since it uses less digits than its factorization.

442000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44200028.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 442000210 is about 21023.8010359687. The cubic root of 442000210 is about 761.7412809470.

Adding to 442000210 its reverse (12000244), we get a palindrome (454000454).

The spelling of 442000210 in words is "four hundred forty-two million, two hundred ten", and thus it is an aban number.