266339260 has 48 divisors (see below), whose sum is σ = 611315712. Its totient is φ = 96667200.

The previous prime is 266339251. The next prime is 266339267. The reversal of 266339260 is 62933662.

266339260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266339267) 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, 180325 + ... + 181795.

It is an arithmetic number, because the mean of its divisors is an integer number (12735744).

Almost surely, 2^266339260 is an apocalyptic number.

266339260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266339260 is an abundant number, since it is smaller than the sum of its proper divisors (344976452).

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

266339260 is a wasteful number, since it uses less digits than its factorization.

266339260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 266339260 is about 16319.9037987361. The cubic root of 266339260 is about 643.3960588045.

The spelling of 266339260 in words is "two hundred sixty-six million, three hundred thirty-nine thousand, two hundred sixty".