266280260 has 24 divisors (see below), whose sum is σ = 559541976. Its totient is φ = 106444800.

The previous prime is 266280253. The next prime is 266280263. The reversal of 266280260 is 62082662.

266280260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3136 + 266277124 = 56^2 + 16318^2 .

It is not an unprimeable number, because it can be changed into a prime (266280263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39110 + ... + 45410.

It is an arithmetic number, because the mean of its divisors is an integer number (23314249).

Almost surely, 2^266280260 is an apocalyptic number.

266280260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266280260 is an abundant number, since it is smaller than the sum of its proper divisors (293261716).

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

266280260 is a wasteful number, since it uses less digits than its factorization.

266280260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423 (or 8421 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 266280260 is about 16318.0960899242. The cubic root of 266280260 is about 643.3485465065.

The spelling of 266280260 in words is "two hundred sixty-six million, two hundred eighty thousand, two hundred sixty".