218290050 has 216 divisors, whose sum is σ = 681779280. Its totient is φ = 49896000.

The previous prime is 218290021. The next prime is 218290091. The reversal of 218290050 is 50092812.

It is a junction number, because it is equal to n+sod(n) for n = 218289996 and 218290023.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1034445 + ... + 1034655.

Almost surely, 2^218290050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218290050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340889640).

218290050 is an abundant number, since it is smaller than the sum of its proper divisors (463489230).

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

218290050 is a wasteful number, since it uses less digits than its factorization.

218290050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 218290050 is about 14774.6421276456. The cubic root of 218290050 is about 602.1129668834.

The spelling of 218290050 in words is "two hundred eighteen million, two hundred ninety thousand, fifty".