243344424960 has 1800 divisors, whose sum is σ = 1114459670016. Its totient is φ = 49686773760.

The previous prime is 243344424941. The next prime is 243344425013. The reversal of 243344424960 is 69424443342.

243344424960 is a `hidden beast` number, since 2 + 4 + 3 + 344 + 4 + 249 + 60 = 666.

It is a super-2 number, since 2×243344424960² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7849820145 + ... + 7849820175.

Almost surely, 2^243344424960 is an apocalyptic number.

243344424960 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 243344424960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557229835008).

243344424960 is an abundant number, since it is smaller than the sum of its proper divisors (871115245056).

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

243344424960 is an equidigital number, since it uses as much as digits as its factorization.

243344424960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 243344424960 in words is "two hundred forty-three billion, three hundred forty-four million, four hundred twenty-four thousand, nine hundred sixty".