400216365417 has 8 divisors (see below), whose sum is σ = 582132895200. Its totient is φ = 242555372960.

The previous prime is 400216365391. The next prime is 400216365421. The reversal of 400216365417 is 714563612004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400216365417 - 2²³ = 400207976809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400216365457) 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 in 7 ways as a sum of consecutive naturals, for example, 6063884292 + ... + 6063884357.

It is an arithmetic number, because the mean of its divisors is an integer number (72766611900).

Almost surely, 2^400216365417 is an apocalyptic number.

It is an amenable number.

400216365417 is a deficient number, since it is larger than the sum of its proper divisors (181916529783).

400216365417 is a wasteful number, since it uses less digits than its factorization.

400216365417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127768663.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 400216365417 in words is "four hundred billion, two hundred sixteen million, three hundred sixty-five thousand, four hundred seventeen".