Write C program to calculate product of digits of a number.

#include <stdio.h>

int main()
{
    int n, product=1;

    // Reading a number from user
    printf("Enter any number: ");
    scanf("%d", &n);

    // Repeat the steps till n becomes 0
    while(n != 0)
    {
        product = product * (n % 10);

        // Remove the last digit from n
        n = n / 10;
    }

    printf("Product of digits = %ld", product);

    return 0;
}

Result:

Enter any number: 1234

Product of digits = 24