442442420330 has 16 divisors (see below), whose sum is σ = 797408310240. Its totient is φ = 176752089552.

The previous prime is 442442420327. The next prime is 442442420377. The reversal of 442442420330 is 33024244244.

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 7 ways as a sum of consecutive naturals, for example, 28101560 + ... + 28117299.

It is an arithmetic number, because the mean of its divisors is an integer number (49838019390).

Almost surely, 2^442442420330 is an apocalyptic number.

442442420330 is a deficient number, since it is larger than the sum of its proper divisors (354965889910).

442442420330 is a wasteful number, since it uses less digits than its factorization.

442442420330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56219653.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 442442420330 its reverse (33024244244), we get a palindrome (475466664574).

The spelling of 442442420330 in words is "four hundred forty-two billion, four hundred forty-two million, four hundred twenty thousand, three hundred thirty".