404330020447 has 2 divisors, whose sum is σ = 404330020448. Its totient is φ = 404330020446.

The previous prime is 404330020417. The next prime is 404330020463. The reversal of 404330020447 is 744020033404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404330020447 - 2¹¹ = 404330018399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404330020417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202165010223 + 202165010224.

It is an arithmetic number, because the mean of its divisors is an integer number (202165010224).

Almost surely, 2^404330020447 is an apocalyptic number.

404330020447 is a deficient number, since it is larger than the sum of its proper divisors (1).

404330020447 is an equidigital number, since it uses as much as digits as its factorization.

404330020447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 31.

The spelling of 404330020447 in words is "four hundred four billion, three hundred thirty million, twenty thousand, four hundred forty-seven".