266800844 has 24 divisors (see below), whose sum is σ = 474692400. Its totient is φ = 131189504.

The previous prime is 266800837. The next prime is 266800861. The reversal of 266800844 is 448008662.

It is a happy number.

It is a super-2 number, since 2×266800844² = 142365380718224672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266800798 and 266800807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75632 + ... + 79080.

It is an arithmetic number, because the mean of its divisors is an integer number (19778850).

Almost surely, 2^266800844 is an apocalyptic number.

It is an amenable number.

266800844 is a deficient number, since it is larger than the sum of its proper divisors (207891556).

266800844 is a wasteful number, since it uses less digits than its factorization.

266800844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3767 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 266800844 is about 16334.0394269146. The cubic root of 266800844 is about 643.7675272948.

The spelling of 266800844 in words is "two hundred sixty-six million, eight hundred thousand, eight hundred forty-four".