4418081266 has 8 divisors (see below), whose sum is σ = 6665429484. Its totient is φ = 2196271440.

The previous prime is 4418081249. The next prime is 4418081303. The reversal of 4418081266 is 6621808144.

It can be written as a sum of positive squares in 2 ways, for example, as 3518981041 + 899100225 = 59321^2 + 29985^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6384165 + ... + 6384856.

Almost surely, 2^4418081266 is an apocalyptic number.

4418081266 is a deficient number, since it is larger than the sum of its proper divisors (2247348218).

4418081266 is a wasteful number, since it uses less digits than its factorization.

4418081266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769196.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 4418081266 is about 66468.6487451039. The cubic root of 4418081266 is about 1640.8840744470.

The spelling of 4418081266 in words is "four billion, four hundred eighteen million, eighty-one thousand, two hundred sixty-six".