42430424 has 16 divisors (see below), whose sum is σ = 79675800. Its totient is φ = 21183552.

The previous prime is 42430411. The next prime is 42430429. The reversal of 42430424 is 42403424.

It is a self number, because there is not a number n which added to its sum of digits gives 42430424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324 + ... + 9500.

Almost surely, 2^42430424 is an apocalyptic number.

It is an amenable number.

42430424 is a deficient number, since it is larger than the sum of its proper divisors (37245376).

42430424 is a wasteful number, since it uses less digits than its factorization.

42430424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922 (or 7918 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 42430424 is about 6513.8639838425. The cubic root of 42430424 is about 348.7860638528.

Adding to 42430424 its reverse (42403424), we get a palindrome (84833848).

Subtracting from 42430424 its reverse (42403424), we obtain a cube (27000 = 30³).

The spelling of 42430424 in words is "forty-two million, four hundred thirty thousand, four hundred twenty-four".