442042230325330 has 32 divisors (see below), whose sum is σ = 817330744407600. Its totient is φ = 172006484014080.

The previous prime is 442042230325313. The next prime is 442042230325387. The reversal of 442042230325330 is 33523032240244.

It can be written as a sum of positive squares in 8 ways, for example, as 172917581934969 + 269124648390361 = 13149813^2 + 16405019^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 442042230325330.

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 15 ways as a sum of consecutive naturals, for example, 107610291 + ... + 111642550.

Almost surely, 2^{442042230325330} is an apocalyptic number.

442042230325330 is a deficient number, since it is larger than the sum of its proper divisors (375288514082270).

442042230325330 is a wasteful number, since it uses less digits than its factorization.

442042230325330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219258334.

The product of its (nonzero) digits is 414720, while the sum is 37.

Adding to 442042230325330 its reverse (33523032240244), we get a palindrome (475565262565574).

The spelling of 442042230325330 in words is "four hundred forty-two trillion, forty-two billion, two hundred thirty million, three hundred twenty-five thousand, three hundred thirty".