266965409228 has 48 divisors (see below), whose sum is σ = 563246853120. Its totient is φ = 108157762944.

The previous prime is 266965409189. The next prime is 266965409237. The reversal of 266965409228 is 822904569662.

266965409228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 295601 + ... + 788232.

It is an arithmetic number, because the mean of its divisors is an integer number (11734309440).

Almost surely, 2^266965409228 is an apocalyptic number.

266965409228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

266965409228 is an abundant number, since it is smaller than the sum of its proper divisors (296281443892).

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

266965409228 is a wasteful number, since it uses less digits than its factorization.

266965409228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084326 (or 1084324 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 266965409228 in words is "two hundred sixty-six billion, nine hundred sixty-five million, four hundred nine thousand, two hundred twenty-eight".