442443330210 has 64 divisors (see below), whose sum is σ = 1213623090432. Its totient is φ = 101124550656.

The previous prime is 442443330143. The next prime is 442443330223. The reversal of 442443330210 is 12033344244.

It is a happy number.

It is a super-2 number, since 2×442443330210² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5016654 + ... + 5104086.

It is an arithmetic number, because the mean of its divisors is an integer number (18962860788).

Almost surely, 2^442443330210 is an apocalyptic number.

442443330210 is an abundant number, since it is smaller than the sum of its proper divisors (771179760222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442443330210 is a wasteful number, since it uses less digits than its factorization.

442443330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111547.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 442443330210 its reverse (12033344244), we get a palindrome (454476674454).

The spelling of 442443330210 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred thirty thousand, two hundred ten".