4000440440403 has 96 divisors (see below), whose sum is σ = 6636217835520. Its totient is φ = 2317677753600.

The previous prime is 4000440440387. The next prime is 4000440440471. The reversal of 4000440440403 is 3040440440004.

It is not a de Polignac number, because 4000440440403 - 2⁴ = 4000440440387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000440442403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 595388878 + ... + 595395596.

It is an arithmetic number, because the mean of its divisors is an integer number (69127269120).

Almost surely, 2^{4000440440403} is an apocalyptic number.

4000440440403 is a deficient number, since it is larger than the sum of its proper divisors (2635777395117).

4000440440403 is a wasteful number, since it uses less digits than its factorization.

4000440440403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942 (or 8917 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 4000440440403 its reverse (3040440440004), we get a palindrome (7040880880407).

The spelling of 4000440440403 in words is "four trillion, four hundred forty million, four hundred forty thousand, four hundred three".