266250264 has 64 divisors (see below), whose sum is σ = 769305600. Its totient is φ = 75212544.

The previous prime is 266250263. The next prime is 266250301. The reversal of 266250264 is 462052662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266250263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6049 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (12020400).

Almost surely, 2^266250264 is an apocalyptic number.

266250264 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 266250264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384652800).

266250264 is an abundant number, since it is smaller than the sum of its proper divisors (503055336).

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

266250264 is a wasteful number, since it uses less digits than its factorization.

266250264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17912 (or 17908 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 266250264 is about 16317.1769617174. The cubic root of 266250264 is about 643.3243882410.

The spelling of 266250264 in words is "two hundred sixty-six million, two hundred fifty thousand, two hundred sixty-four".