42324816 has 80 divisors (see below), whose sum is σ = 113635584. Its totient is φ = 13565952.

The previous prime is 42324811. The next prime is 42324817. The reversal of 42324816 is 61842324.

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 (42324811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 164560 + ... + 164816.

Almost surely, 2^42324816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42324816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56817792).

42324816 is an abundant number, since it is smaller than the sum of its proper divisors (71310768).

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

42324816 is a wasteful number, since it uses less digits than its factorization.

42324816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 382 counting only the distinct ones).

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

The square root of 42324816 is about 6505.7525314140. The cubic root of 42324816 is about 348.4964509010.

The spelling of 42324816 in words is "forty-two million, three hundred twenty-four thousand, eight hundred sixteen".