243432242496 has 84 divisors (see below), whose sum is σ = 699008192532. Its totient is φ = 80998293504.

The previous prime is 243432242467. The next prime is 243432242591. The reversal of 243432242496 is 694242234342.

243432242496 is a `hidden beast` number, since 24 + 343 + 2 + 242 + 49 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 137848838400 + 105583404096 = 371280^2 + 324936^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58545 + ... + 700208.

Almost surely, 2^243432242496 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 243432242496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349504096266).

243432242496 is an abundant number, since it is smaller than the sum of its proper divisors (455575950036).

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

243432242496 is a wasteful number, since it uses less digits than its factorization.

243432242496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759328 (or 759315 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 45.

The spelling of 243432242496 in words is "two hundred forty-three billion, four hundred thirty-two million, two hundred forty-two thousand, four hundred ninety-six".