243044020324 has 24 divisors (see below), whose sum is σ = 486260631360. Its totient is φ = 104124739296.

The previous prime is 243044020319. The next prime is 243044020333. The reversal of 243044020324 is 423020440342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 243044020292 and 243044020301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460647 + ... + 1618510.

It is an arithmetic number, because the mean of its divisors is an integer number (20260859640).

Almost surely, 2^243044020324 is an apocalyptic number.

It is an amenable number.

243044020324 is an abundant number, since it is smaller than the sum of its proper divisors (243216611036).

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

243044020324 is a wasteful number, since it uses less digits than its factorization.

243044020324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081987 (or 3081985 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 243044020324 its reverse (423020440342), we get a palindrome (666064460666).

The spelling of 243044020324 in words is "two hundred forty-three billion, forty-four million, twenty thousand, three hundred twenty-four".