243065847040 has 72 divisors (see below), whose sum is σ = 585471831840. Its totient is φ = 96683083776.

The previous prime is 243065846981. The next prime is 243065847043. The reversal of 243065847040 is 40748560342.

243065847040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243065847043) 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 7 ways as a sum of consecutive naturals, for example, 301314 + ... + 759553.

It is an arithmetic number, because the mean of its divisors is an integer number (8131553220).

Almost surely, 2^243065847040 is an apocalyptic number.

243065847040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243065847040 is an abundant number, since it is smaller than the sum of its proper divisors (342405984800).

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

243065847040 is a wasteful number, since it uses less digits than its factorization.

243065847040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061067 (or 1061053 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 243065847040 in words is "two hundred forty-three billion, sixty-five million, eight hundred forty-seven thousand, forty".