266271740532 has 192 divisors, whose sum is σ = 806508595200. Its totient is φ = 74398279680.

The previous prime is 266271740513. The next prime is 266271740549. The reversal of 266271740532 is 235047172662.

266271740532 is a `hidden beast` number, since 2 + 6 + 6 + 2 + 71 + 7 + 40 + 532 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8593107 + ... + 8624037.

It is an arithmetic number, because the mean of its divisors is an integer number (4200565600).

Almost surely, 2^266271740532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266271740532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403254297600).

266271740532 is an abundant number, since it is smaller than the sum of its proper divisors (540236854668).

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

266271740532 is a wasteful number, since it uses less digits than its factorization.

266271740532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31203 (or 31195 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 266271740532 in words is "two hundred sixty-six billion, two hundred seventy-one million, seven hundred forty thousand, five hundred thirty-two".