243013679278992 has 120 divisors (see below), whose sum is σ = 685009334929920. Its totient is φ = 80419945132800.

The previous prime is 243013679278991. The next prime is 243013679279003. The reversal of 243013679278992 is 299872976310342.

243013679278992 is a `hidden beast` number, since 2 + 430 + 1 + 3 + 6 + 7 + 9 + 27 + 89 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 243013679278992.

It is not an unprimeable number, because it can be changed into a prime (243013679278991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079770698 + ... + 1079995734.

It is an arithmetic number, because the mean of its divisors is an integer number (5708411124416).

Almost surely, 2^{243013679278992} 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 243013679278992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342504667464960).

243013679278992 is an abundant number, since it is smaller than the sum of its proper divisors (441995655650928).

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

243013679278992 is a wasteful number, since it uses less digits than its factorization.

243013679278992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279141 (or 279132 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 72.

The spelling of 243013679278992 in words is "two hundred forty-three trillion, thirteen billion, six hundred seventy-nine million, two hundred seventy-eight thousand, nine hundred ninety-two".