266780823472 has 40 divisors (see below), whose sum is σ = 547488730800. Its totient is φ = 125499021312.

The previous prime is 266780823469. The next prime is 266780823509. The reversal of 266780823472 is 274328087662.

266780823472 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 2×266780823472² (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, 592804 + ... + 940732.

It is an arithmetic number, because the mean of its divisors is an integer number (13687218270).

Almost surely, 2^266780823472 is an apocalyptic number.

It is an amenable number.

266780823472 is an abundant number, since it is smaller than the sum of its proper divisors (280707907328).

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

266780823472 is a wasteful number, since it uses less digits than its factorization.

266780823472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350773 (or 350767 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 266780823472 in words is "two hundred sixty-six billion, seven hundred eighty million, eight hundred twenty-three thousand, four hundred seventy-two".