42424333 has 24 divisors (see below), whose sum is σ = 52440512. Its totient is φ = 33606144.

The previous prime is 42424331. The next prime is 42424357. The reversal of 42424333 is 33342424.

It is not a de Polignac number, because 42424333 - 2¹ = 42424331 is a prime.

It is a super-3 number, since 3×42424333³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42424298 and 42424307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424331) 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 23 ways as a sum of consecutive naturals, for example, 135385 + ... + 135697.

Almost surely, 2^42424333 is an apocalyptic number.

It is an amenable number.

42424333 is a deficient number, since it is larger than the sum of its proper divisors (10016179).

42424333 is a wasteful number, since it uses less digits than its factorization.

42424333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 404 counting only the distinct ones).

The product of its digits is 6912, while the sum is 25.

The square root of 42424333 is about 6513.3964258288. The cubic root of 42424333 is about 348.7693733323.

Adding to 42424333 its reverse (33342424), we get a palindrome (75766757).

The spelling of 42424333 in words is "forty-two million, four hundred twenty-four thousand, three hundred thirty-three".