264985760 has 192 divisors, whose sum is σ = 731566080. Its totient is φ = 89886720.

The previous prime is 264985757. The next prime is 264985793. The reversal of 264985760 is 67589462.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387265 + ... + 1387455.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2^264985760 is an apocalyptic number.

264985760 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 264985760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365783040).

264985760 is an abundant number, since it is smaller than the sum of its proper divisors (466580320).

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

264985760 is a wasteful number, since it uses less digits than its factorization.

264985760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 264985760 is about 16278.3832121006. The cubic root of 264985760 is about 642.3043235213.

The spelling of 264985760 in words is "two hundred sixty-four million, nine hundred eighty-five thousand, seven hundred sixty".