266328384 has 112 divisors (see below), whose sum is σ = 816961536. Its totient is φ = 74995200.

The previous prime is 266328383. The next prime is 266328397. The reversal of 266328384 is 483823662.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266328383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94029 + ... + 96819.

Almost surely, 2^266328384 is an apocalyptic number.

266328384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266328384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408480768).

266328384 is an abundant number, since it is smaller than the sum of its proper divisors (550633152).

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

266328384 is a wasteful number, since it uses less digits than its factorization.

266328384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 2874 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 266328384 is about 16319.5705825858. The cubic root of 266328384 is about 643.3873009633.

The spelling of 266328384 in words is "two hundred sixty-six million, three hundred twenty-eight thousand, three hundred eighty-four".