243114040420 has 12 divisors (see below), whose sum is σ = 510539484924. Its totient is φ = 97245616160.

The previous prime is 243114040397. The next prime is 243114040439. The reversal of 243114040420 is 24040411342.

It can be written as a sum of positive squares in 2 ways, for example, as 88457466724 + 154656573696 = 297418^2 + 393264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077850991 + ... + 6077851030.

It is an arithmetic number, because the mean of its divisors is an integer number (42544957077).

Almost surely, 2^243114040420 is an apocalyptic number.

243114040420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243114040420 is an abundant number, since it is smaller than the sum of its proper divisors (267425444504).

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

243114040420 is a wasteful number, since it uses less digits than its factorization.

243114040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155702030 (or 12155702028 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 243114040420 its reverse (24040411342), we get a palindrome (267154451762).

The spelling of 243114040420 in words is "two hundred forty-three billion, one hundred fourteen million, forty thousand, four hundred twenty".