266458272 has 96 divisors (see below), whose sum is σ = 758020032. Its totient is φ = 81629184.

The previous prime is 266458267. The next prime is 266458273. The reversal of 266458272 is 272854662.

266458272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (266458273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68278 + ... + 72074.

It is an arithmetic number, because the mean of its divisors is an integer number (7896042).

Almost surely, 2^266458272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266458272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379010016).

266458272 is an abundant number, since it is smaller than the sum of its proper divisors (491561760).

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

266458272 is a wasteful number, since it uses less digits than its factorization.

266458272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3862 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 266458272 is about 16323.5496139780. The cubic root of 266458272 is about 643.4918770094.

The spelling of 266458272 in words is "two hundred sixty-six million, four hundred fifty-eight thousand, two hundred seventy-two".