442300320330 has 64 divisors (see below), whose sum is σ = 1208371488768. Its totient is φ = 102562391360.

The previous prime is 442300320289. The next prime is 442300320337. The reversal of 442300320330 is 33023003244.

It is a super-2 number, since 2×442300320330² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442300320330.

It is not an unprimeable number, because it can be changed into a prime (442300320337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29129454 + ... + 29144633.

It is an arithmetic number, because the mean of its divisors is an integer number (18880804512).

Almost surely, 2^442300320330 is an apocalyptic number.

442300320330 is an abundant number, since it is smaller than the sum of its proper divisors (766071168438).

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

442300320330 is a wasteful number, since it uses less digits than its factorization.

442300320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58274131.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 442300320330 its reverse (33023003244), we get a palindrome (475323323574).

The spelling of 442300320330 in words is "four hundred forty-two billion, three hundred million, three hundred twenty thousand, three hundred thirty".