266241000 has 64 divisors (see below), whose sum is σ = 830681280. Its totient is φ = 70996800.

The previous prime is 266240999. The next prime is 266241007. The reversal of 266241000 is 142662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (266241007) 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 15 ways as a sum of consecutive naturals, for example, 41374 + ... + 47373.

It is an arithmetic number, because the mean of its divisors is an integer number (12979395).

Almost surely, 2^266241000 is an apocalyptic number.

266241000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266241000 is an abundant number, since it is smaller than the sum of its proper divisors (564440280).

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

266241000 is a wasteful number, since it uses less digits than its factorization.

266241000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88771 (or 88757 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 266241000 is about 16316.8930866143. The cubic root of 266241000 is about 643.3169268071.

Adding to 266241000 its reverse (142662), we get a palindrome (266383662).

The spelling of 266241000 in words is "two hundred sixty-six million, two hundred forty-one thousand".