42120332330 has 16 divisors (see below), whose sum is σ = 75824055720. Its totient is φ = 16846475712.

The previous prime is 42120332299. The next prime is 42120332333. The reversal of 42120332330 is 3323302124.

It can be written as a sum of positive squares in 4 ways, for example, as 40468966561 + 1651365769 = 201169^2 + 40637^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42120332296 and 42120332305.

It is not an unprimeable number, because it can be changed into a prime (42120332333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97649 + ... + 306228.

Almost surely, 2^42120332330 is an apocalyptic number.

42120332330 is a deficient number, since it is larger than the sum of its proper divisors (33703723390).

42120332330 is a wasteful number, since it uses less digits than its factorization.

42120332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414313.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 42120332330 its reverse (3323302124), we get a palindrome (45443634454).

The spelling of 42120332330 in words is "forty-two billion, one hundred twenty million, three hundred thirty-two thousand, three hundred thirty".