42240232 has 16 divisors (see below), whose sum is σ = 79421760. Its totient is φ = 21061104.

The previous prime is 42240221. The next prime is 42240271. The reversal of 42240232 is 23204224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258 + ... + 10129.

It is an arithmetic number, because the mean of its divisors is an integer number (4963860).

Almost surely, 2^42240232 is an apocalyptic number.

It is an amenable number.

42240232 is a deficient number, since it is larger than the sum of its proper divisors (37181528).

42240232 is a wasteful number, since it uses less digits than its factorization.

42240232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14760 (or 14756 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42240232 is about 6499.2485719505. The cubic root of 42240232 is about 348.2641452494.

Adding to 42240232 its reverse (23204224), we get a palindrome (65444456).

The spelling of 42240232 in words is "forty-two million, two hundred forty thousand, two hundred thirty-two".