243042555496 has 16 divisors (see below), whose sum is σ = 490759006500. Its totient is φ = 112173487104.

The previous prime is 243042555463. The next prime is 243042555523. The reversal of 243042555496 is 694555240342.

243042555496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213083792100 + 29958763396 = 461610^2 + 173086^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1168473721 + ... + 1168473928.

Almost surely, 2^243042555496 is an apocalyptic number.

243042555496 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

243042555496 is an abundant number, since it is smaller than the sum of its proper divisors (247716451004).

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

243042555496 is a wasteful number, since it uses less digits than its factorization.

243042555496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336947668 (or 2336947664 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 243042555496 in words is "two hundred forty-three billion, forty-two million, five hundred fifty-five thousand, four hundred ninety-six".