266058560 has 28 divisors (see below), whose sum is σ = 633552708. Its totient is φ = 106423296.

The previous prime is 266058439. The next prime is 266058563. The reversal of 266058560 is 65850662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88209664 + 177848896 = 9392^2 + 13336^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266058563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415397 + ... + 416036.

Almost surely, 2^266058560 is an apocalyptic number.

266058560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266058560 is an abundant number, since it is smaller than the sum of its proper divisors (367494148).

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

266058560 is an equidigital number, since it uses as much as digits as its factorization.

266058560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831450 (or 831440 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 266058560 is about 16311.3016034895. The cubic root of 266058560 is about 643.1699502475.

The spelling of 266058560 in words is "two hundred sixty-six million, fifty-eight thousand, five hundred sixty".