243234533984 has 48 divisors (see below), whose sum is σ = 515765340720. Its totient is φ = 112248737280.

The previous prime is 243234533957. The next prime is 243234534007. The reversal of 243234533984 is 489335432342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4039007 + ... + 4098785.

It is an arithmetic number, because the mean of its divisors is an integer number (10745111265).

Almost surely, 2^243234533984 is an apocalyptic number.

It is an amenable number.

243234533984 is an abundant number, since it is smaller than the sum of its proper divisors (272530806736).

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

243234533984 is a wasteful number, since it uses less digits than its factorization.

243234533984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69583 (or 69575 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 50.

The spelling of 243234533984 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred thirty-three thousand, nine hundred eighty-four".