266440532 has 12 divisors (see below), whose sum is σ = 467544000. Its totient is φ = 132856536.

The previous prime is 266440511. The next prime is 266440561. The reversal of 266440532 is 235044662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89282 + ... + 92217.

It is an arithmetic number, because the mean of its divisors is an integer number (38962000).

Almost surely, 2^266440532 is an apocalyptic number.

It is an amenable number.

266440532 is a deficient number, since it is larger than the sum of its proper divisors (201103468).

266440532 is a wasteful number, since it uses less digits than its factorization.

266440532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181870 (or 181868 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 266440532 is about 16323.0062182185. The cubic root of 266440532 is about 643.4775961001.

The spelling of 266440532 in words is "two hundred sixty-six million, four hundred forty thousand, five hundred thirty-two".