266340132 has 36 divisors (see below), whose sum is σ = 673947820. Its totient is φ = 88687872.

The previous prime is 266340121. The next prime is 266340149. The reversal of 266340132 is 231043662.

266340132 is a `hidden beast` number, since 26 + 634 + 0 + 1 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52186176 + 214153956 = 7224^2 + 14634^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 266340096 and 266340105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37368 + ... + 43920.

Almost surely, 2^266340132 is an apocalyptic number.

It is an amenable number.

266340132 is an abundant number, since it is smaller than the sum of its proper divisors (407607688).

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

266340132 is a wasteful number, since it uses less digits than its factorization.

266340132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692 (or 7687 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 266340132 is about 16319.9305145580. The cubic root of 266340132 is about 643.3967609675.

Adding to 266340132 its reverse (231043662), we get a palindrome (497383794).

The spelling of 266340132 in words is "two hundred sixty-six million, three hundred forty thousand, one hundred thirty-two".