266542032 has 160 divisors (see below), whose sum is σ = 769950720. Its totient is φ = 79073280.

The previous prime is 266542021. The next prime is 266542033. The reversal of 266542032 is 230245662.

266542032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266542033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2034607 + ... + 2034737.

It is an arithmetic number, because the mean of its divisors is an integer number (4812192).

Almost surely, 2^266542032 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 266542032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384975360).

266542032 is an abundant number, since it is smaller than the sum of its proper divisors (503408688).

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

266542032 is a wasteful number, since it uses less digits than its factorization.

266542032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 266542032 is about 16326.1150308333. The cubic root of 266542032 is about 643.5592962374.

Adding to 266542032 its reverse (230245662), we get a palindrome (496787694).

The spelling of 266542032 in words is "two hundred sixty-six million, five hundred forty-two thousand, thirty-two".