243950118456 has 128 divisors (see below), whose sum is σ = 711295603200. Its totient is φ = 68900167680.

The previous prime is 243950118413. The next prime is 243950118481. The reversal of 243950118456 is 654811059342.

243950118456 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 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 31 ways as a sum of consecutive naturals, for example, 198400 + ... + 726128.

It is an arithmetic number, because the mean of its divisors is an integer number (5556996900).

Almost surely, 2^243950118456 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 243950118456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355647801600).

243950118456 is an abundant number, since it is smaller than the sum of its proper divisors (467345484744).

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

243950118456 is a wasteful number, since it uses less digits than its factorization.

243950118456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527869 (or 527865 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 243950118456 in words is "two hundred forty-three billion, nine hundred fifty million, one hundred eighteen thousand, four hundred fifty-six".