42816324 has 24 divisors (see below), whose sum is σ = 100896768. Its totient is φ = 14130400.

The previous prime is 42816311. The next prime is 42816343. The reversal of 42816324 is 42361824.

It is a junction number, because it is equal to n+sod(n) for n = 42816291 and 42816300.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16452 + ... + 18875.

It is an arithmetic number, because the mean of its divisors is an integer number (4204032).

Almost surely, 2^42816324 is an apocalyptic number.

It is an amenable number.

42816324 is an abundant number, since it is smaller than the sum of its proper divisors (58080444).

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

42816324 is a wasteful number, since it uses less digits than its factorization.

42816324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35435 (or 35433 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 42816324 is about 6543.4183726856. The cubic root of 42816324 is about 349.8402645249.

The spelling of 42816324 in words is "forty-two million, eight hundred sixteen thousand, three hundred twenty-four".