42434424 has 48 divisors (see below), whose sum is σ = 118895400. Its totient is φ = 13656384.

The previous prime is 42434423. The next prime is 42434459. The reversal of 42434424 is 42443424.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8074 + ... + 12249.

Almost surely, 2^42434424 is an apocalyptic number.

It is an amenable number.

42434424 is an abundant number, since it is smaller than the sum of its proper divisors (76460976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42434424 is a wasteful number, since it uses less digits than its factorization.

42434424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20364 (or 20357 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 42434424 is about 6514.1710140278. The cubic root of 42434424 is about 348.7970237591.

Adding to 42434424 its reverse (42443424), we get a palindrome (84877848).

The spelling of 42434424 in words is "forty-two million, four hundred thirty-four thousand, four hundred twenty-four".