42424312 has 16 divisors (see below), whose sum is σ = 90909360. Its totient is φ = 18181824.

The previous prime is 42424301. The next prime is 42424313. The reversal of 42424312 is 21342424.

It is a happy 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378733 + ... + 378844.

It is an arithmetic number, because the mean of its divisors is an integer number (5681835).

Almost surely, 2^42424312 is an apocalyptic number.

It is an amenable number.

42424312 is an abundant number, since it is smaller than the sum of its proper divisors (48485048).

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

42424312 is a wasteful number, since it uses less digits than its factorization.

42424312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757590 (or 757586 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 42424312 is about 6513.3948137665. The cubic root of 42424312 is about 348.7693157855.

Adding to 42424312 its reverse (21342424), we get a palindrome (63766736).

The spelling of 42424312 in words is "forty-two million, four hundred twenty-four thousand, three hundred twelve".