264985600 has 132 divisors (see below), whose sum is σ = 717317928. Its totient is φ = 96256000.

The previous prime is 264985543. The next prime is 264985619. The reversal of 264985600 is 6589462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281130 + ... + 282070.

Almost surely, 2^264985600 is an apocalyptic number.

264985600 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 264985600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358658964).

264985600 is an abundant number, since it is smaller than the sum of its proper divisors (452332328).

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

264985600 is a wasteful number, since it uses less digits than its factorization.

264985600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 264985600 is about 16278.3782976069. The cubic root of 264985600 is about 642.3041942456.

The spelling of 264985600 in words is "two hundred sixty-four million, nine hundred eighty-five thousand, six hundred".