43421423302242 has 128 divisors (see below), whose sum is σ = 100936889856000. Its totient is φ = 13819011635520.

The previous prime is 43421423302237. The next prime is 43421423302297. The reversal of 43421423302242 is 24220332412434.

43421423302242 is a `hidden beast` number, since 4 + 3 + 4 + 2 + 1 + 423 + 3 + 0 + 224 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 43421423302197 and 43421423302206.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57682359 + ... + 58430277.

It is an arithmetic number, because the mean of its divisors is an integer number (788569452000).

Almost surely, 2^{43421423302242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43421423302242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50468444928000).

43421423302242 is an abundant number, since it is smaller than the sum of its proper divisors (57515466553758).

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

43421423302242 is a wasteful number, since it uses less digits than its factorization.

43421423302242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748373 (or 748367 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 43421423302242 its reverse (24220332412434), we get a palindrome (67641755714676).

The spelling of 43421423302242 in words is "forty-three trillion, four hundred twenty-one billion, four hundred twenty-three million, three hundred two thousand, two hundred forty-two".