266457252 has 48 divisors (see below), whose sum is σ = 662074560. Its totient is φ = 83116032.

The previous prime is 266457251. The next prime is 266457253. The reversal of 266457252 is 252754662.

266457252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (266457251) and next prime (266457253).

It is a self number, because there is not a number n which added to its sum of digits gives 266457252.

It is not an unprimeable number, because it can be changed into a prime (266457251) 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, 32868 + ... + 40164.

It is an arithmetic number, because the mean of its divisors is an integer number (13793220).

Almost surely, 2^266457252 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 266457252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331037280).

266457252 is an abundant number, since it is smaller than the sum of its proper divisors (395617308).

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

266457252 is a wasteful number, since it uses less digits than its factorization.

266457252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500 (or 7498 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 266457252 is about 16323.5183707435. The cubic root of 266457252 is about 643.4910559145.

The spelling of 266457252 in words is "two hundred sixty-six million, four hundred fifty-seven thousand, two hundred fifty-two".