243122050040 has 16 divisors (see below), whose sum is σ = 547024612680. Its totient is φ = 97248820000.

The previous prime is 243122050033. The next prime is 243122050079. The reversal of 243122050040 is 40050221342.

It is a happy number.

243122050040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243122049988 and 243122050015.

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 3 ways as a sum of consecutive naturals, for example, 3039025586 + ... + 3039025665.

Almost surely, 2^243122050040 is an apocalyptic number.

243122050040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243122050040 is an abundant number, since it is smaller than the sum of its proper divisors (303902562640).

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

243122050040 is a wasteful number, since it uses less digits than its factorization.

243122050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078051262 (or 6078051258 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 243122050040 its reverse (40050221342), we get a palindrome (283172271382).

The spelling of 243122050040 in words is "two hundred forty-three billion, one hundred twenty-two million, fifty thousand, forty".