404420039999 has 2 divisors, whose sum is σ = 404420040000. Its totient is φ = 404420039998.

The previous prime is 404420039993. The next prime is 404420040043. The reversal of 404420039999 is 999930024404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404420039999 - 2³² = 400125072703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404420039999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404420039993) 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, 202210019999 + 202210020000.

It is an arithmetic number, because the mean of its divisors is an integer number (202210020000).

Almost surely, 2^404420039999 is an apocalyptic number.

404420039999 is a deficient number, since it is larger than the sum of its proper divisors (1).

404420039999 is an equidigital number, since it uses as much as digits as its factorization.

404420039999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 404420039999 in words is "four hundred four billion, four hundred twenty million, thirty-nine thousand, nine hundred ninety-nine".