40004000203 has 2 divisors, whose sum is σ = 40004000204. Its totient is φ = 40004000202.

The previous prime is 40004000191. The next prime is 40004000249. The reversal of 40004000203 is 30200040004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40004000203 - 2²⁵ = 39970445771 is a prime.

It is not a weakly prime, because it can be changed into another prime (40004060203) 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, 20002000101 + 20002000102.

It is an arithmetic number, because the mean of its divisors is an integer number (20002000102).

Almost surely, 2^40004000203 is an apocalyptic number.

40004000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40004000203 is an equidigital number, since it uses as much as digits as its factorization.

40004000203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 40004000203 its reverse (30200040004), we get a palindrome (70204040207).

The spelling of 40004000203 in words is "forty billion, four million, two hundred three", and thus it is an aban number.