42240303 has 18 divisors (see below), whose sum is σ = 70975944. Its totient is φ = 24137064.

The previous prime is 42240271. The next prime is 42240307. The reversal of 42240303 is 30304224.

42240303 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 42240303 - 2⁵ = 42240271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240307) 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 in 17 ways as a sum of consecutive naturals, for example, 47451 + ... + 48332.

It is an arithmetic number, because the mean of its divisors is an integer number (3943108).

Almost surely, 2^42240303 is an apocalyptic number.

42240303 is a deficient number, since it is larger than the sum of its proper divisors (28735641).

42240303 is a wasteful number, since it uses less digits than its factorization.

42240303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95803 (or 95793 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42240303 is about 6499.2540341181. The cubic root of 42240303 is about 348.2643403773.

Adding to 42240303 its reverse (30304224), we get a palindrome (72544527).

The spelling of 42240303 in words is "forty-two million, two hundred forty thousand, three hundred three".