243244968960 has 528 divisors, whose sum is σ = 916704898560. Its totient is φ = 54881648640.

The previous prime is 243244968947. The next prime is 243244968983. The reversal of 243244968960 is 69869442342.

It is a super-2 number, since 2×243244968960² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243244968960.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59456515 + ... + 59460605.

It is an arithmetic number, because the mean of its divisors is an integer number (1736183520).

Almost surely, 2^243244968960 is an apocalyptic number.

243244968960 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 243244968960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458352449280).

243244968960 is an abundant number, since it is smaller than the sum of its proper divisors (673459929600).

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

243244968960 is a wasteful number, since it uses less digits than its factorization.

243244968960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 243244968960 in words is "two hundred forty-three billion, two hundred forty-four million, nine hundred sixty-eight thousand, nine hundred sixty".