42330044 has 6 divisors (see below), whose sum is σ = 74077584. Its totient is φ = 21165020.

The previous prime is 42330037. The next prime is 42330047. The reversal of 42330044 is 44003324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42329998 and 42330025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42330047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5291252 + ... + 5291259.

It is an arithmetic number, because the mean of its divisors is an integer number (12346264).

Almost surely, 2^42330044 is an apocalyptic number.

It is an amenable number.

42330044 is a deficient number, since it is larger than the sum of its proper divisors (31747540).

42330044 is a wasteful number, since it uses less digits than its factorization.

42330044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10582515 (or 10582513 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42330044 is about 6506.1543172599. The cubic root of 42330044 is about 348.5107991771.

Adding to 42330044 its reverse (44003324), we get a palindrome (86333368).

The spelling of 42330044 in words is "forty-two million, three hundred thirty thousand, forty-four".