404004040067 has 2 divisors, whose sum is σ = 404004040068. Its totient is φ = 404004040066.

The previous prime is 404004040057. The next prime is 404004040073. The reversal of 404004040067 is 760040400404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404004040067 - 2⁶ = 404004040003 is a prime.

It is not a weakly prime, because it can be changed into another prime (404004040007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202002020033 + 202002020034.

It is an arithmetic number, because the mean of its divisors is an integer number (202002020034).

Almost surely, 2^404004040067 is an apocalyptic number.

404004040067 is a deficient number, since it is larger than the sum of its proper divisors (1).

404004040067 is an equidigital number, since it uses as much as digits as its factorization.

404004040067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The spelling of 404004040067 in words is "four hundred four billion, four million, forty thousand, sixty-seven".