42443712 has 84 divisors (see below), whose sum is σ = 125634496. Its totient is φ = 13685760.

The previous prime is 42443689. The next prime is 42443719. The reversal of 42443712 is 21734424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42443719) 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 11 ways as a sum of consecutive naturals, for example, 16668 + ... + 19044.

Almost surely, 2^42443712 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 42443712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62817248).

42443712 is an abundant number, since it is smaller than the sum of its proper divisors (83190784).

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

42443712 is a wasteful number, since it uses less digits than its factorization.

42443712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426 (or 2413 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 42443712 is about 6514.8838823113. The cubic root of 42443712 is about 348.8224700055.

The spelling of 42443712 in words is "forty-two million, four hundred forty-three thousand, seven hundred twelve".