40404040003 has 2 divisors, whose sum is σ = 40404040004. Its totient is φ = 40404040002.

The previous prime is 40404039959. The next prime is 40404040007. The reversal of 40404040003 is 30004040404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40404040003 - 2⁹ = 40404039491 is a prime.

It is not a weakly prime, because it can be changed into another prime (40404040007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202020001 + 20202020002.

It is an arithmetic number, because the mean of its divisors is an integer number (20202020002).

Almost surely, 2^40404040003 is an apocalyptic number.

40404040003 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404040003 is an equidigital number, since it uses as much as digits as its factorization.

40404040003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 40404040003 its reverse (30004040404), we get a palindrome (70408080407).

The spelling of 40404040003 in words is "forty billion, four hundred four million, forty thousand, three".