266728270468 has 24 divisors (see below), whose sum is σ = 509493618144. Its totient is φ = 121172241600.

The previous prime is 266728270441. The next prime is 266728270499. The reversal of 266728270468 is 864072827662.

It is a happy number.

266728270468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266728270468² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617513 + ... + 1774768.

It is an arithmetic number, because the mean of its divisors is an integer number (21228900756).

Almost surely, 2^266728270468 is an apocalyptic number.

It is an amenable number.

266728270468 is a deficient number, since it is larger than the sum of its proper divisors (242765347676).

266728270468 is a wasteful number, since it uses less digits than its factorization.

266728270468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394083 (or 3394081 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 58.

The spelling of 266728270468 in words is "two hundred sixty-six billion, seven hundred twenty-eight million, two hundred seventy thousand, four hundred sixty-eight".