266231322260 has 24 divisors (see below), whose sum is σ = 559348471080. Its totient is φ = 106442491904.

The previous prime is 266231322241. The next prime is 266231322271. The reversal of 266231322260 is 62223132662.

It can be written as a sum of positive squares in 4 ways, for example, as 2171000836 + 264060321424 = 46594^2 + 513868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266231322260.

It is a congruent number.

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, 3083669 + ... + 3168828.

It is an arithmetic number, because the mean of its divisors is an integer number (23306186295).

Almost surely, 2^266231322260 is an apocalyptic number.

266231322260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266231322260 is an abundant number, since it is smaller than the sum of its proper divisors (293117148820).

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

266231322260 is a wasteful number, since it uses less digits than its factorization.

266231322260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254635 (or 6254633 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 266231322260 in words is "two hundred sixty-six billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred sixty".