243148800000 has 360 divisors, whose sum is σ = 810931347072. Its totient is φ = 64798720000.

The previous prime is 243148799977. The next prime is 243148800001. The reversal of 243148800000 is 8841342.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (243148800001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153599209 + ... + 153600791.

Almost surely, 2^243148800000 is an apocalyptic number.

243148800000 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 243148800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405465673536).

243148800000 is an abundant number, since it is smaller than the sum of its proper divisors (567782547072).

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

243148800000 is an frugal number, since it uses more digits than its factorization.

243148800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 243148800000 in words is "two hundred forty-three billion, one hundred forty-eight million, eight hundred thousand".