243340024 has 8 divisors (see below), whose sum is σ = 456262560. Its totient is φ = 121670008.

The previous prime is 243340021. The next prime is 243340063. The reversal of 243340024 is 420043342.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 243339977 and 243340004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243340021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15208744 + ... + 15208759.

It is an arithmetic number, because the mean of its divisors is an integer number (57032820).

Almost surely, 2^243340024 is an apocalyptic number.

It is an amenable number.

243340024 is a deficient number, since it is larger than the sum of its proper divisors (212922536).

243340024 is a wasteful number, since it uses less digits than its factorization.

243340024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30417509 (or 30417505 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 243340024 is about 15599.3597304505. The cubic root of 243340024 is about 624.3160723417.

Adding to 243340024 its reverse (420043342), we get a palindrome (663383366).

The spelling of 243340024 in words is "two hundred forty-three million, three hundred forty thousand, twenty-four".