4043423440004 has 48 divisors (see below), whose sum is σ = 7825069173936. Its totient is φ = 1816678195200.

The previous prime is 4043423439997. The next prime is 4043423440009. The reversal of 4043423440004 is 4000443243404.

It can be written as a sum of positive squares in 8 ways, for example, as 1259871553600 + 2783551886404 = 1122440^2 + 1668398^2 .

It is not an unprimeable number, because it can be changed into a prime (4043423440009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6263057 + ... + 6878424.

It is an arithmetic number, because the mean of its divisors is an integer number (163022274457).

Almost surely, 2^{4043423440004} is an apocalyptic number.

It is an amenable number.

4043423440004 is a deficient number, since it is larger than the sum of its proper divisors (3781645733932).

4043423440004 is a wasteful number, since it uses less digits than its factorization.

4043423440004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13141656 (or 13141654 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 4043423440004 its reverse (4000443243404), we get a palindrome (8043866683408).

The spelling of 4043423440004 in words is "four trillion, forty-three billion, four hundred twenty-three million, four hundred forty thousand, four".