243243405210 has 48 divisors (see below), whose sum is σ = 632145004704. Its totient is φ = 59875298496.

The previous prime is 243243405199. The next prime is 243243405263. The reversal of 243243405210 is 12504342342.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23983432 + ... + 23993571.

It is an arithmetic number, because the mean of its divisors is an integer number (13169687598).

Almost surely, 2^243243405210 is an apocalyptic number.

243243405210 is an abundant number, since it is smaller than the sum of its proper divisors (388901599494).

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

243243405210 is a wasteful number, since it uses less digits than its factorization.

243243405210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47977039 (or 47977026 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 243243405210 its reverse (12504342342), we get a palindrome (255747747552).

The spelling of 243243405210 in words is "two hundred forty-three billion, two hundred forty-three million, four hundred five thousand, two hundred ten".