266340030 has 128 divisors (see below), whose sum is σ = 721239552. Its totient is φ = 62400000.

The previous prime is 266339993. The next prime is 266340077. The reversal of 266340030 is 30043662.

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, 2033065 + ... + 2033195.

It is an arithmetic number, because the mean of its divisors is an integer number (5634684).

Almost surely, 2^266340030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266340030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360619776).

266340030 is an abundant number, since it is smaller than the sum of its proper divisors (454899522).

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

266340030 is a wasteful number, since it uses less digits than its factorization.

266340030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 266340030 is about 16319.9273895444. The cubic root of 266340030 is about 643.3966788338.

Adding to 266340030 its reverse (30043662), we get a palindrome (296383692).

The spelling of 266340030 in words is "two hundred sixty-six million, three hundred forty thousand, thirty".