266233230 has 72 divisors (see below), whose sum is σ = 720018936. Its totient is φ = 70781040.

The previous prime is 266233229. The next prime is 266233249. The reversal of 266233230 is 32332662.

266233230 is a `hidden beast` number, since 2 + 6 + 623 + 3 + 2 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 266233194 and 266233203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 804165 + ... + 804495.

It is an arithmetic number, because the mean of its divisors is an integer number (10000263).

Almost surely, 2^266233230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266233230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360009468).

266233230 is an abundant number, since it is smaller than the sum of its proper divisors (453785706).

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

266233230 is an frugal number, since it uses more digits than its factorization.

266233230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 266233230 is about 16316.6549880789. The cubic root of 266233230 is about 643.3106685409.

Adding to 266233230 its reverse (32332662), we get a palindrome (298565892).

The spelling of 266233230 in words is "two hundred sixty-six million, two hundred thirty-three thousand, two hundred thirty".