42331616 has 48 divisors (see below), whose sum is σ = 86929920. Its totient is φ = 20269440.

The previous prime is 42331613. The next prime is 42331633. The reversal of 42331616 is 61613324.

42331616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137735 + ... + 138041.

It is an arithmetic number, because the mean of its divisors is an integer number (1811040).

Almost surely, 2^42331616 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 42331616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43464960).

42331616 is an abundant number, since it is smaller than the sum of its proper divisors (44598304).

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

42331616 is a wasteful number, since it uses less digits than its factorization.

42331616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 479 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 42331616 is about 6506.2751248314. The cubic root of 42331616 is about 348.5151133091.

The spelling of 42331616 in words is "forty-two million, three hundred thirty-one thousand, six hundred sixteen".