404000840003 has 2 divisors, whose sum is σ = 404000840004. Its totient is φ = 404000840002.

The previous prime is 404000839997. The next prime is 404000840063. The reversal of 404000840003 is 300048000404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404000840003 - 2⁴ = 404000839987 is a prime.

It is not a weakly prime, because it can be changed into another prime (404000840063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202000420001 + 202000420002.

It is an arithmetic number, because the mean of its divisors is an integer number (202000420002).

Almost surely, 2^404000840003 is an apocalyptic number.

404000840003 is a deficient number, since it is larger than the sum of its proper divisors (1).

404000840003 is an equidigital number, since it uses as much as digits as its factorization.

404000840003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 404000840003 its reverse (300048000404), we get a palindrome (704048840407).

The spelling of 404000840003 in words is "four hundred four billion, eight hundred forty thousand, three".