418642230 has 64 divisors (see below), whose sum is σ = 1028438208. Its totient is φ = 109025280.

The previous prime is 418642201. The next prime is 418642243. The reversal of 418642230 is 32246814.

It is a super-2 number, since 2×418642230² = 350522633478745800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446322 + ... + 447258.

It is an arithmetic number, because the mean of its divisors is an integer number (16069347).

Almost surely, 2^418642230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 418642230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514219104).

418642230 is an abundant number, since it is smaller than the sum of its proper divisors (609795978).

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

418642230 is a wasteful number, since it uses less digits than its factorization.

418642230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 418642230 is about 20460.7485200322. The cubic root of 418642230 is about 748.0793702179.

The spelling of 418642230 in words is "four hundred eighteen million, six hundred forty-two thousand, two hundred thirty".