243214241550 has 144 divisors (see below), whose sum is σ = 702876553200. Its totient is φ = 55494512640.

The previous prime is 243214241533. The next prime is 243214241563. The reversal of 243214241550 is 55142412342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4212276 + ... + 4269624.

It is an arithmetic number, because the mean of its divisors is an integer number (4881087175).

Almost surely, 2^243214241550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243214241550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351438276600).

243214241550 is an abundant number, since it is smaller than the sum of its proper divisors (459662311650).

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

243214241550 is a wasteful number, since it uses less digits than its factorization.

243214241550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57955 (or 57943 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 243214241550 its reverse (55142412342), we get a palindrome (298356653892).

The spelling of 243214241550 in words is "two hundred forty-three billion, two hundred fourteen million, two hundred forty-one thousand, five hundred fifty".