2418138466 has 8 divisors (see below), whose sum is σ = 3638797164. Its totient is φ = 1205206080.

The previous prime is 2418138439. The next prime is 2418138491. The reversal of 2418138466 is 6648318142.

It can be written as a sum of positive squares in 2 ways, for example, as 2169603241 + 248535225 = 46579^2 + 15765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930795 + ... + 1932046.

Almost surely, 2^2418138466 is an apocalyptic number.

2418138466 is a deficient number, since it is larger than the sum of its proper divisors (1220658698).

2418138466 is a wasteful number, since it uses less digits than its factorization.

2418138466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863156.

The product of its digits is 221184, while the sum is 43.

The square root of 2418138466 is about 49174.5713351932. The cubic root of 2418138466 is about 1342.2303515156.

The spelling of 2418138466 in words is "two billion, four hundred eighteen million, one hundred thirty-eight thousand, four hundred sixty-six".