266280832 has 32 divisors (see below), whose sum is σ = 533700720. Its totient is φ = 132332544.

The previous prime is 266280829. The next prime is 266280841. The reversal of 266280832 is 238082662.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×266280832² = 141810962981224448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266280791 and 266280800.

It is a congruent number.

It is an unprimeable number.

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, 15148 + ... + 27604.

Almost surely, 2^266280832 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 266280832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266850360).

266280832 is an abundant number, since it is smaller than the sum of its proper divisors (267419888).

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

266280832 is a wasteful number, since it uses less digits than its factorization.

266280832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638 (or 12626 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 266280832 is about 16318.1136164693. The cubic root of 266280832 is about 643.3490071679.

The spelling of 266280832 in words is "two hundred sixty-six million, two hundred eighty thousand, eight hundred thirty-two".