40020404033 has 2 divisors, whose sum is σ = 40020404034. Its totient is φ = 40020404032.

The previous prime is 40020404003. The next prime is 40020404051. The reversal of 40020404033 is 33040402004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32671285504 + 7349118529 = 180752^2 + 85727^2 .

It is a cyclic number.

It is not a de Polignac number, because 40020404033 - 2²⁶ = 39953295169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40020403996 and 40020404014.

It is not a weakly prime, because it can be changed into another prime (40020404003) 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, 20010202016 + 20010202017.

It is an arithmetic number, because the mean of its divisors is an integer number (20010202017).

Almost surely, 2^40020404033 is an apocalyptic number.

It is an amenable number.

40020404033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40020404033 is an equidigital number, since it uses as much as digits as its factorization.

40020404033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40020404033 its reverse (33040402004), we get a palindrome (73060806037).

The spelling of 40020404033 in words is "forty billion, twenty million, four hundred four thousand, thirty-three".