418685416808 has 16 divisors (see below), whose sum is σ = 785356797060. Its totient is φ = 209256937600.

The previous prime is 418685416783. The next prime is 418685416829. The reversal of 418685416808 is 808614586814.

It can be written as a sum of positive squares in 2 ways, for example, as 310719286084 + 107966130724 = 557422^2 + 328582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10700603 + ... + 10739658.

Almost surely, 2^418685416808 is an apocalyptic number.

It is an amenable number.

418685416808 is a deficient number, since it is larger than the sum of its proper divisors (366671380252).

418685416808 is a wasteful number, since it uses less digits than its factorization.

418685416808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21442708 (or 21442704 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 59.

The spelling of 418685416808 in words is "four hundred eighteen billion, six hundred eighty-five million, four hundred sixteen thousand, eight hundred eight".