4043432220442 has 4 divisors (see below), whose sum is σ = 6065148330666. Its totient is φ = 2021716110220.

The previous prime is 4043432220439. The next prime is 4043432220449. The reversal of 4043432220442 is 2440222343404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2303932372641 + 1739499847801 = 1517871^2 + 1318901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4043432220398 and 4043432220407.

It is not an unprimeable number, because it can be changed into a prime (4043432220449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010858055109 + ... + 1010858055112.

Almost surely, 2^{4043432220442} is an apocalyptic number.

4043432220442 is a deficient number, since it is larger than the sum of its proper divisors (2021716110224).

4043432220442 is a wasteful number, since it uses less digits than its factorization.

4043432220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021716110223.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 4043432220442 its reverse (2440222343404), we get a palindrome (6483654563846).

The spelling of 4043432220442 in words is "four trillion, forty-three billion, four hundred thirty-two million, two hundred twenty thousand, four hundred forty-two".