266332260 has 24 divisors (see below), whose sum is σ = 745730496. Its totient is φ = 71021920.

The previous prime is 266332243. The next prime is 266332273. The reversal of 266332260 is 62233662.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219376 + ... + 2219495.

It is an arithmetic number, because the mean of its divisors is an integer number (31072104).

Almost surely, 2^266332260 is an apocalyptic number.

266332260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266332260 is an abundant number, since it is smaller than the sum of its proper divisors (479398236).

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

266332260 is a wasteful number, since it uses less digits than its factorization.

266332260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438883 (or 4438881 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 266332260 is about 16319.6893352784. The cubic root of 266332260 is about 643.3904221191.

The spelling of 266332260 in words is "two hundred sixty-six million, three hundred thirty-two thousand, two hundred sixty".