4478118266 has 8 divisors (see below), whose sum is σ = 6717476244. Its totient is φ = 2238959520.

The previous prime is 4478118247. The next prime is 4478118269. The reversal of 4478118266 is 6628118744.

It can be written as a sum of positive squares in 2 ways, for example, as 3116877241 + 1361241025 = 55829^2 + 36895^2 .

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

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 4478118266.

It is not an unprimeable number, because it can be changed into a prime (4478118269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35846 + ... + 101198.

Almost surely, 2^4478118266 is an apocalyptic number.

4478118266 is a deficient number, since it is larger than the sum of its proper divisors (2239357978).

4478118266 is a wasteful number, since it uses less digits than its factorization.

4478118266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99616.

The product of its digits is 516096, while the sum is 47.

The square root of 4478118266 is about 66918.7437568877. The cubic root of 4478118266 is about 1648.2832791875.

The spelling of 4478118266 in words is "four billion, four hundred seventy-eight million, one hundred eighteen thousand, two hundred sixty-six".