243253360 has 80 divisors (see below), whose sum is σ = 657047232. Its totient is φ = 82022400.

The previous prime is 243253343. The next prime is 243253393. The reversal of 243253360 is 63352342.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30600 + ... + 37720.

Almost surely, 2^243253360 is an apocalyptic number.

243253360 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 243253360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328523616).

243253360 is an abundant number, since it is smaller than the sum of its proper divisors (413793872).

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

243253360 is a wasteful number, since it uses less digits than its factorization.

243253360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202 (or 7196 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 243253360 is about 15596.5816767649. The cubic root of 243253360 is about 624.2419481435.

The spelling of 243253360 in words is "two hundred forty-three million, two hundred fifty-three thousand, three hundred sixty".