266766048 has 120 divisors (see below), whose sum is σ = 793096920. Its totient is φ = 87955200.

The previous prime is 266766047. The next prime is 266766089. The reversal of 266766048 is 840667662.

It is a junction number, because it is equal to n+sod(n) for n = 266765994 and 266766012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266766047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 261283 + ... + 262301.

It is an arithmetic number, because the mean of its divisors is an integer number (6609141).

Almost surely, 2^266766048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266766048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396548460).

266766048 is an abundant number, since it is smaller than the sum of its proper divisors (526330872).

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

266766048 is a wasteful number, since it uses less digits than its factorization.

266766048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 266766048 is about 16332.9742545563. The cubic root of 266766048 is about 643.7395394913.

The spelling of 266766048 in words is "two hundred sixty-six million, seven hundred sixty-six thousand, forty-eight".