243228357792 has 288 divisors, whose sum is σ = 820567867392. Its totient is φ = 69426180864.

The previous prime is 243228357781. The next prime is 243228357817. The reversal of 243228357792 is 297753822342.

243228357792 is a `hidden beast` number, since 2 + 43 + 2 + 28 + 3 + 577 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 90519073 + ... + 90521759.

It is an arithmetic number, because the mean of its divisors is an integer number (2849193984).

Almost surely, 2^243228357792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243228357792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410283933696).

243228357792 is an abundant number, since it is smaller than the sum of its proper divisors (577339509600).

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

243228357792 is a wasteful number, since it uses less digits than its factorization.

243228357792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 4362 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 243228357792 in words is "two hundred forty-three billion, two hundred twenty-eight million, three hundred fifty-seven thousand, seven hundred ninety-two".