264235660 has 96 divisors (see below), whose sum is σ = 637156800. Its totient is φ = 91238400.

The previous prime is 264235639. The next prime is 264235669. The reversal of 264235660 is 66532462.

264235660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (264235669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439360 + ... + 439960.

It is an arithmetic number, because the mean of its divisors is an integer number (6637050).

Almost surely, 2^264235660 is an apocalyptic number.

264235660 is a gapful number since it is divisible by the number (20) 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 264235660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318578400).

264235660 is an abundant number, since it is smaller than the sum of its proper divisors (372921140).

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

264235660 is a wasteful number, since it uses less digits than its factorization.

264235660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 264235660 is about 16255.3271268221. The cubic root of 264235660 is about 641.6976899226.

The spelling of 264235660 in words is "two hundred sixty-four million, two hundred thirty-five thousand, six hundred sixty".