4218666260 has 24 divisors (see below), whose sum is σ = 8874577320. Its totient is φ = 1684537344.

The previous prime is 4218666253. The next prime is 4218666289. The reversal of 4218666260 is 626668124.

It can be written as a sum of positive squares in 4 ways, for example, as 997422724 + 3221243536 = 31582^2 + 56756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171245 + ... + 194324.

It is an arithmetic number, because the mean of its divisors is an integer number (369774055).

Almost surely, 2^4218666260 is an apocalyptic number.

It is an amenable number.

4218666260 is an abundant number, since it is smaller than the sum of its proper divisors (4655911060).

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

4218666260 is a wasteful number, since it uses less digits than its factorization.

4218666260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366155 (or 366153 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 4218666260 is about 64951.2606498134. The cubic root of 4218666260 is about 1615.8153263503.

The spelling of 4218666260 in words is "four billion, two hundred eighteen million, six hundred sixty-six thousand, two hundred sixty".