42330194 has 4 divisors (see below), whose sum is σ = 63495294. Its totient is φ = 21165096.

The previous prime is 42330193. The next prime is 42330209. The reversal of 42330194 is 49103324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30393169 + 11937025 = 5513^2 + 3455^2 .

It is not an unprimeable number, because it can be changed into a prime (42330191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10582547 + ... + 10582550.

Almost surely, 2^42330194 is an apocalyptic number.

42330194 is a deficient number, since it is larger than the sum of its proper divisors (21165100).

42330194 is a wasteful number, since it uses less digits than its factorization.

42330194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21165099.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42330194 is about 6506.1658447968. The cubic root of 42330194 is about 348.5112108355.

It can be divided in two parts, 42330 and 194, that added together give a palindrome (42524).

The spelling of 42330194 in words is "forty-two million, three hundred thirty thousand, one hundred ninety-four".