243783986922960 has 2560 divisors, whose sum is σ = 994434912092160. Its totient is φ = 48585277440000.

The previous prime is 243783986922947. The next prime is 243783986922967. The reversal of 243783986922960 is 69229689387342.

243783986922960 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 (243783986922967) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 46603703545 + ... + 46603708775.

It is an arithmetic number, because the mean of its divisors is an integer number (388451137536).

Almost surely, 2^{243783986922960} is an apocalyptic number.

243783986922960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243783986922960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497217456046080).

243783986922960 is an abundant number, since it is smaller than the sum of its proper divisors (750650925169200).

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

243783986922960 is a wasteful number, since it uses less digits than its factorization.

243783986922960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409 (or 5403 counting only the distinct ones).

The product of its (nonzero) digits is 3386105856, while the sum is 78.

The spelling of 243783986922960 in words is "two hundred forty-three trillion, seven hundred eighty-three billion, nine hundred eighty-six million, nine hundred twenty-two thousand, nine hundred sixty".