218370030 has 32 divisors (see below), whose sum is σ = 524803104. Its totient is φ = 58152576.

The previous prime is 218370013. The next prime is 218370067. The reversal of 218370030 is 30073812.

218370030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19344 + ... + 28476.

It is an arithmetic number, because the mean of its divisors is an integer number (16400097).

Almost surely, 2^218370030 is an apocalyptic number.

218370030 is an abundant number, since it is smaller than the sum of its proper divisors (306433074).

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

218370030 is a wasteful number, since it uses less digits than its factorization.

218370030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 218370030 is about 14777.3485443093. The cubic root of 218370030 is about 602.1864946123.

The spelling of 218370030 in words is "two hundred eighteen million, three hundred seventy thousand, thirty".