475000218 has 144 divisors (see below), whose sum is σ = 1318221216. Its totient is φ = 122230080.

The previous prime is 475000217. The next prime is 475000237. The reversal of 475000218 is 812000574.

It is a junction number, because it is equal to n+sod(n) for n = 475000191 and 475000200.

It is not an unprimeable number, because it can be changed into a prime (475000217) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1678305 + ... + 1678587.

It is an arithmetic number, because the mean of its divisors is an integer number (9154314).

Almost surely, 2^475000218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475000218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659110608).

475000218 is an abundant number, since it is smaller than the sum of its proper divisors (843220998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475000218 is a wasteful number, since it uses less digits than its factorization.

475000218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 475000218 is about 21794.4997189658. The cubic root of 475000218 is about 780.2454947178.

The spelling of 475000218 in words is "four hundred seventy-five million, two hundred eighteen", and thus it is an aban number.