264700880 has 90 divisors (see below), whose sum is σ = 659927814. Its totient is φ = 98720768.

The previous prime is 264700873. The next prime is 264700883. The reversal of 264700880 is 88007462.

264700880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 88661056 + 176039824 = 9416^2 + 13268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264700880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264700883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2473787 + ... + 2473893.

Almost surely, 2^264700880 is an apocalyptic number.

264700880 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 264700880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329963907).

264700880 is an abundant number, since it is smaller than the sum of its proper divisors (395226934).

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

264700880 is a wasteful number, since it uses less digits than its factorization.

264700880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 264700880 is about 16269.6306042885. The cubic root of 264700880 is about 642.0740655290.

The spelling of 264700880 in words is "two hundred sixty-four million, seven hundred thousand, eight hundred eighty".