243044020314 has 64 divisors (see below), whose sum is σ = 565030252800. Its totient is φ = 77292933696.

The previous prime is 243044020301. The next prime is 243044020319. The reversal of 243044020314 is 413020440342.

It is a happy number.

243044020314 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 440 + 203 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (243044020319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231612 + ... + 734664.

It is an arithmetic number, because the mean of its divisors is an integer number (8828597700).

Almost surely, 2^243044020314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243044020314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282515126400).

243044020314 is an abundant number, since it is smaller than the sum of its proper divisors (321986232486).

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

243044020314 is a wasteful number, since it uses less digits than its factorization.

243044020314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503476 (or 503470 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 243044020314 its reverse (413020440342), we get a palindrome (656064460656).

The spelling of 243044020314 in words is "two hundred forty-three billion, forty-four million, twenty thousand, three hundred fourteen".