266505248 has 48 divisors (see below), whose sum is σ = 565820640. Its totient is φ = 123148800.

The previous prime is 266505247. The next prime is 266505251. The reversal of 266505248 is 842505662.

266505248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (266505241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19583 + ... + 30273.

It is an arithmetic number, because the mean of its divisors is an integer number (11787930).

Almost surely, 2^266505248 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 266505248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282910320).

266505248 is an abundant number, since it is smaller than the sum of its proper divisors (299315392).

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

266505248 is a wasteful number, since it uses less digits than its factorization.

266505248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761 (or 10753 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 266505248 is about 16324.9884532884. The cubic root of 266505248 is about 643.5296901823.

The spelling of 266505248 in words is "two hundred sixty-six million, five hundred five thousand, two hundred forty-eight".