42443256 has 64 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 13704320.

The previous prime is 42443249. The next prime is 42443263. The reversal of 42443256 is 65234424.

42443256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42443249) and next prime (42443263).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 215350 + ... + 215546.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 2^42443256 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 42443256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54743040).

42443256 is an abundant number, since it is smaller than the sum of its proper divisors (67042824).

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

42443256 is a wasteful number, since it uses less digits than its factorization.

42443256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 440 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 42443256 is about 6514.8488854309. The cubic root of 42443256 is about 348.8212207932.

The spelling of 42443256 in words is "forty-two million, four hundred forty-three thousand, two hundred fifty-six".