4218653418 has 32 divisors (see below), whose sum is σ = 9645656064. Its totient is φ = 1204952112.

The previous prime is 4218653393. The next prime is 4218653431. The reversal of 4218653418 is 8143568124.

It is a happy number.

It is a super-2 number, since 2×4218653418² = 35594073322406165448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4218653418.

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, 137571 + ... + 165417.

It is an arithmetic number, because the mean of its divisors is an integer number (301426752).

Almost surely, 2^4218653418 is an apocalyptic number.

4218653418 is an abundant number, since it is smaller than the sum of its proper divisors (5427002646).

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

4218653418 is a wasteful number, since it uses less digits than its factorization.

4218653418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31466.

The product of its digits is 184320, while the sum is 42.

The square root of 4218653418 is about 64951.1617909949. The cubic root of 4218653418 is about 1615.8136867862.

The spelling of 4218653418 in words is "four billion, two hundred eighteen million, six hundred fifty-three thousand, four hundred eighteen".