404424000217 has 2 divisors, whose sum is σ = 404424000218. Its totient is φ = 404424000216.

The previous prime is 404424000193. The next prime is 404424000229. The reversal of 404424000217 is 712000424404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404418411721 + 5588496 = 635939^2 + 2364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404424000217 is a prime.

It is not a weakly prime, because it can be changed into another prime (404424000257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202212000108 + 202212000109.

It is an arithmetic number, because the mean of its divisors is an integer number (202212000109).

Almost surely, 2^404424000217 is an apocalyptic number.

It is an amenable number.

404424000217 is a deficient number, since it is larger than the sum of its proper divisors (1).

404424000217 is an equidigital number, since it uses as much as digits as its factorization.

404424000217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 28.

The spelling of 404424000217 in words is "four hundred four billion, four hundred twenty-four million, two hundred seventeen", and thus it is an aban number.