42443324 has 24 divisors (see below), whose sum is σ = 92604288. Its totient is φ = 16536240.

The previous prime is 42443311. The next prime is 42443341. The reversal of 42443324 is 42334424.

It is a junction number, because it is equal to n+sod(n) for n = 42443293 and 42443302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68594 + ... + 69209.

It is an arithmetic number, because the mean of its divisors is an integer number (3858512).

Almost surely, 2^42443324 is an apocalyptic number.

42443324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42443324 is an abundant number, since it is smaller than the sum of its proper divisors (50160964).

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

42443324 is a wasteful number, since it uses less digits than its factorization.

42443324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137825 (or 137823 counting only the distinct ones).

The product of its digits is 9216, while the sum is 26.

The square root of 42443324 is about 6514.8541042759. The cubic root of 42443324 is about 348.8214070798.

Adding to 42443324 its reverse (42334424), we get a palindrome (84777748).

Subtracting from 42443324 its reverse (42334424), we obtain a square (108900 = 330²).

The spelling of 42443324 in words is "forty-two million, four hundred forty-three thousand, three hundred twenty-four".