418686056 has 16 divisors (see below), whose sum is σ = 785625540. Its totient is φ = 209185920.

The previous prime is 418686053. The next prime is 418686067. The reversal of 418686056 is 650686814.

It can be written as a sum of positive squares in 2 ways, for example, as 364428100 + 54257956 = 19090^2 + 7366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 418685998 and 418686016.

It is not an unprimeable number, because it can be changed into a prime (418686053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7901 + ... + 29996.

Almost surely, 2^418686056 is an apocalyptic number.

It is an amenable number.

418686056 is a deficient number, since it is larger than the sum of its proper divisors (366939484).

418686056 is a wasteful number, since it uses less digits than its factorization.

418686056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39284 (or 39280 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 418686056 is about 20461.8194694411. The cubic root of 418686056 is about 748.1054737976.

The spelling of 418686056 in words is "four hundred eighteen million, six hundred eighty-six thousand, fifty-six".