404542040207 has 2 divisors, whose sum is σ = 404542040208. Its totient is φ = 404542040206.

The previous prime is 404542040179. The next prime is 404542040237. The reversal of 404542040207 is 702040245404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404542040207 - 2¹⁸ = 404541778063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404542040237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202271020103 + 202271020104.

It is an arithmetic number, because the mean of its divisors is an integer number (202271020104).

Almost surely, 2^404542040207 is an apocalyptic number.

404542040207 is a deficient number, since it is larger than the sum of its proper divisors (1).

404542040207 is an equidigital number, since it uses as much as digits as its factorization.

404542040207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 32.

The spelling of 404542040207 in words is "four hundred four billion, five hundred forty-two million, forty thousand, two hundred seven".