266523264 has 256 divisors, whose sum is σ = 940032000. Its totient is φ = 72686592.

The previous prime is 266523251. The next prime is 266523307. The reversal of 266523264 is 462325662.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556177 + ... + 556655.

It is an arithmetic number, because the mean of its divisors is an integer number (3672000).

Almost surely, 2^266523264 is an apocalyptic number.

266523264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266523264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470016000).

266523264 is an abundant number, since it is smaller than the sum of its proper divisors (673508736).

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

266523264 is a wasteful number, since it uses less digits than its factorization.

266523264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 514 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 266523264 is about 16325.5402360841. The cubic root of 266523264 is about 643.5441909220.

The spelling of 266523264 in words is "two hundred sixty-six million, five hundred twenty-three thousand, two hundred sixty-four".