43421134332 has 24 divisors (see below), whose sum is σ = 101330611200. Its totient is φ = 14471621296.

The previous prime is 43421134319. The next prime is 43421134349. The reversal of 43421134332 is 23343112434.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 43421134332.

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, 173532 + ... + 341987.

It is an arithmetic number, because the mean of its divisors is an integer number (4222108800).

Almost surely, 2^43421134332 is an apocalyptic number.

It is an amenable number.

43421134332 is an abundant number, since it is smaller than the sum of its proper divisors (57909476868).

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

43421134332 is a wasteful number, since it uses less digits than its factorization.

43421134332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522545 (or 522543 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

Adding to 43421134332 its reverse (23343112434), we get a palindrome (66764246766).

The spelling of 43421134332 in words is "forty-three billion, four hundred twenty-one million, one hundred thirty-four thousand, three hundred thirty-two".