4218974208 has 104 divisors (see below), whose sum is σ = 12499466000. Its totient is φ = 1406287872.

The previous prime is 4218974189. The next prime is 4218974213. The reversal of 4218974208 is 8024798124.

4218974208 is a `hidden beast` number, since 4 + 218 + 9 + 7 + 420 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91518 + ... + 129666.

Almost surely, 2^4218974208 is an apocalyptic number.

4218974208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4218974208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249733000).

4218974208 is an abundant number, since it is smaller than the sum of its proper divisors (8280491792).

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

4218974208 is an equidigital number, since it uses as much as digits as its factorization.

4218974208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38182 (or 38154 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 4218974208 is about 64953.6312148905. The cubic root of 4218974208 is about 1615.8546416979.

The spelling of 4218974208 in words is "four billion, two hundred eighteen million, nine hundred seventy-four thousand, two hundred eight".