266830260 has 24 divisors (see below), whose sum is σ = 747124896. Its totient is φ = 71154720.

The previous prime is 266830253. The next prime is 266830261. The reversal of 266830260 is 62038662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266830261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223526 + ... + 2223645.

It is an arithmetic number, because the mean of its divisors is an integer number (31130204).

Almost surely, 2^266830260 is an apocalyptic number.

266830260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266830260 is an abundant number, since it is smaller than the sum of its proper divisors (480294636).

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

266830260 is a wasteful number, since it uses less digits than its factorization.

266830260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447183 (or 4447181 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 266830260 is about 16334.9398529655. The cubic root of 266830260 is about 643.7911858527.

The spelling of 266830260 in words is "two hundred sixty-six million, eight hundred thirty thousand, two hundred sixty".