266206080 has 256 divisors, whose sum is σ = 1004659200. Its totient is φ = 58662912.

The previous prime is 266206079. The next prime is 266206123. The reversal of 266206080 is 80602662.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389419 + ... + 390101.

It is an arithmetic number, because the mean of its divisors is an integer number (3924450).

Almost surely, 2^266206080 is an apocalyptic number.

266206080 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 266206080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502329600).

266206080 is an abundant number, since it is smaller than the sum of its proper divisors (738453120).

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

266206080 is a wasteful number, since it uses less digits than its factorization.

266206080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 266206080 is about 16315.8229948722. The cubic root of 266206080 is about 643.2887998979.

The spelling of 266206080 in words is "two hundred sixty-six million, two hundred six thousand, eighty".