4089266660 has 12 divisors (see below), whose sum is σ = 8587460028. Its totient is φ = 1635706656.

The previous prime is 4089266647. The next prime is 4089266681. The reversal of 4089266660 is 666629804.

It can be written as a sum of positive squares in 2 ways, for example, as 1569427456 + 2519839204 = 39616^2 + 50198^2 .

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, 102231647 + ... + 102231686.

It is an arithmetic number, because the mean of its divisors is an integer number (715621669).

Almost surely, 2^4089266660 is an apocalyptic number.

It is an amenable number.

4089266660 is an abundant number, since it is smaller than the sum of its proper divisors (4498193368).

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

4089266660 is a wasteful number, since it uses less digits than its factorization.

4089266660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204463342 (or 204463340 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 4089266660 is about 63947.3741446824. The cubic root of 4089266660 is about 1599.1227821643.

The spelling of 4089266660 in words is "four billion, eighty-nine million, two hundred sixty-six thousand, six hundred sixty".