243348496992 has 144 divisors (see below), whose sum is σ = 718360952400. Its totient is φ = 81036122112.

The previous prime is 243348496991. The next prime is 243348496997. The reversal of 243348496992 is 299694843342.

243348496992 is a `hidden beast` number, since 2 + 4 + 3 + 3 + 484 + 9 + 69 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243348496991) 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, 8142108 + ... + 8171940.

It is an arithmetic number, because the mean of its divisors is an integer number (4988617725).

Almost surely, 2^243348496992 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 243348496992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359180476200).

243348496992 is an abundant number, since it is smaller than the sum of its proper divisors (475012455408).

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

243348496992 is a wasteful number, since it uses less digits than its factorization.

243348496992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30907 (or 30887 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 63.

The spelling of 243348496992 in words is "two hundred forty-three billion, three hundred forty-eight million, four hundred ninety-six thousand, nine hundred ninety-two".