1330000266 has 64 divisors (see below), whose sum is σ = 3268177920. Its totient is φ = 352330560.

The previous prime is 1330000229. The next prime is 1330000267. The reversal of 1330000266 is 6620000331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1330000267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19776 + ... + 55236.

It is an arithmetic number, because the mean of its divisors is an integer number (51065280).

Almost surely, 2^1330000266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330000266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634088960).

1330000266 is an abundant number, since it is smaller than the sum of its proper divisors (1938177654).

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

1330000266 is a wasteful number, since it uses less digits than its factorization.

1330000266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35539.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1330000266 is about 36469.1687045373. The cubic root of 1330000266 is about 1099.7245222012.

Adding to 1330000266 its reverse (6620000331), we get a palindrome (7950000597).

The spelling of 1330000266 in words is "one billion, three hundred thirty million, two hundred sixty-six", and thus it is an aban number.