243432366320000 has 1280 divisors, whose sum is σ = 756669902123520. Its totient is φ = 76615925760000.

The previous prime is 243432366319993. The next prime is 243432366320021. The reversal of 243432366320000 is 23663234342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 55037837789 + ... + 55037842211.

It is an arithmetic number, because the mean of its divisors is an integer number (591148361034).

Almost surely, 2^{243432366320000} is an apocalyptic number.

243432366320000 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 243432366320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378334951061760).

243432366320000 is an abundant number, since it is smaller than the sum of its proper divisors (513237535803520).

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

243432366320000 is a wasteful number, since it uses less digits than its factorization.

243432366320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781 (or 4754 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 38.

The spelling of 243432366320000 in words is "two hundred forty-three trillion, four hundred thirty-two billion, three hundred sixty-six million, three hundred twenty thousand".