243444004406 has 16 divisors (see below), whose sum is σ = 372071572848. Its totient is φ = 119420340000.

The previous prime is 243444004399. The next prime is 243444004423. The reversal of 243444004406 is 604400444342.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4472756 + ... + 4526856.

It is an arithmetic number, because the mean of its divisors is an integer number (23254473303).

Almost surely, 2^243444004406 is an apocalyptic number.

243444004406 is a deficient number, since it is larger than the sum of its proper divisors (128627568442).

243444004406 is a wasteful number, since it uses less digits than its factorization.

243444004406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96607.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 243444004406 its reverse (604400444342), we get a palindrome (847844448748).

The spelling of 243444004406 in words is "two hundred forty-three billion, four hundred forty-four million, four thousand, four hundred six".