4040120443 has 6 divisors (see below), whose sum is σ = 4141065092. Its totient is φ = 3941579280.

The previous prime is 4040120437. The next prime is 4040120449. The reversal of 4040120443 is 3440210404.

It is an interprime number because it is at equal distance from previous prime (4040120437) and next prime (4040120449).

It is a de Polignac number, because none of the positive numbers 2^k-4040120443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040120449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1200021 + ... + 1203382.

Almost surely, 2^4040120443 is an apocalyptic number.

4040120443 is a deficient number, since it is larger than the sum of its proper divisors (100944649).

4040120443 is an equidigital number, since it uses as much as digits as its factorization.

4040120443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403485 (or 2403444 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4040120443 is about 63561.9417812263. The cubic root of 4040120443 is about 1592.6906754726.

Adding to 4040120443 its reverse (3440210404), we get a palindrome (7480330847).

The spelling of 4040120443 in words is "four billion, forty million, one hundred twenty thousand, four hundred forty-three".