264605500 has 48 divisors (see below), whose sum is σ = 593558784. Its totient is φ = 102974400.

The previous prime is 264605489. The next prime is 264605503. The reversal of 264605500 is 5506462.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264605503) 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, 11349 + ... + 25651.

It is an arithmetic number, because the mean of its divisors is an integer number (12365808).

Almost surely, 2^264605500 is an apocalyptic number.

264605500 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 264605500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296779392).

264605500 is an abundant number, since it is smaller than the sum of its proper divisors (328953284).

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

264605500 is a wasteful number, since it uses less digits than its factorization.

264605500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14359 (or 14347 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 264605500 is about 16266.6991119895. The cubic root of 264605500 is about 641.9969364799.

The spelling of 264605500 in words is "two hundred sixty-four million, six hundred five thousand, five hundred".