243250560 has 256 divisors, whose sum is σ = 985075200. Its totient is φ = 55572480.

The previous prime is 243250547. The next prime is 243250561. The reversal of 243250560 is 65052342.

243250560 is a `hidden beast` number, since 24 + 32 + 50 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243250561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119955 + ... + 121965.

It is an arithmetic number, because the mean of its divisors is an integer number (3847950).

Almost surely, 2^243250560 is an apocalyptic number.

243250560 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 243250560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492537600).

243250560 is an abundant number, since it is smaller than the sum of its proper divisors (741824640).

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

243250560 is a wasteful number, since it uses less digits than its factorization.

243250560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 243250560 is about 15596.4919132477. The cubic root of 243250560 is about 624.2395529945.

The spelling of 243250560 in words is "two hundred forty-three million, two hundred fifty thousand, five hundred sixty".