43221404042 has 8 divisors (see below), whose sum is σ = 65327008032. Its totient is φ = 21445734700.

The previous prime is 43221404011. The next prime is 43221404059. The reversal of 43221404042 is 24040412234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82483334 + ... + 82483857.

It is an arithmetic number, because the mean of its divisors is an integer number (8165876004).

Almost surely, 2^43221404042 is an apocalyptic number.

43221404042 is a deficient number, since it is larger than the sum of its proper divisors (22105603990).

43221404042 is a wasteful number, since it uses less digits than its factorization.

43221404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164967324.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 43221404042 its reverse (24040412234), we get a palindrome (67261816276).

The spelling of 43221404042 in words is "forty-three billion, two hundred twenty-one million, four hundred four thousand, forty-two".