266230080 has 168 divisors, whose sum is σ = 926131752. Its totient is φ = 70189056.

The previous prime is 266230057. The next prime is 266230091. The reversal of 266230080 is 80032662.

It can be written as a sum of positive squares in 4 ways, for example, as 16842816 + 249387264 = 4104^2 + 15792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278884 + ... + 279836.

It is an arithmetic number, because the mean of its divisors is an integer number (5512689).

Almost surely, 2^266230080 is an apocalyptic number.

266230080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266230080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463065876).

266230080 is an abundant number, since it is smaller than the sum of its proper divisors (659901672).

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

266230080 is a wasteful number, since it uses less digits than its factorization.

266230080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 266230080 is about 16316.5584606558. The cubic root of 266230080 is about 643.3081313713.

The spelling of 266230080 in words is "two hundred sixty-six million, two hundred thirty thousand, eighty".