42424311 has 16 divisors (see below), whose sum is σ = 58383200. Its totient is φ = 27381888.

The previous prime is 42424301. The next prime is 42424313. The reversal of 42424311 is 11342424.

It is not a de Polignac number, because 42424311 - 2⁵ = 42424279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24585 + ... + 26253.

It is an arithmetic number, because the mean of its divisors is an integer number (3648950).

Almost surely, 2^42424311 is an apocalyptic number.

42424311 is a deficient number, since it is larger than the sum of its proper divisors (15958889).

42424311 is a wasteful number, since it uses less digits than its factorization.

42424311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its digits is 768, while the sum is 21.

The square root of 42424311 is about 6513.3947370016. The cubic root of 42424311 is about 348.7693130451.

Adding to 42424311 its reverse (11342424), we get a palindrome (53766735).

The spelling of 42424311 in words is "forty-two million, four hundred twenty-four thousand, three hundred eleven".