544404544544 has 24 divisors (see below), whose sum is σ = 1224910225728. Its totient is φ = 233316233280.

The previous prime is 544404544531. The next prime is 544404544549. The reversal of 544404544544 is 445445404445.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (544404544549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215188492 + ... + 1215188939.

It is an arithmetic number, because the mean of its divisors is an integer number (51037926072).

Almost surely, 2^544404544544 is an apocalyptic number.

It is an amenable number.

544404544544 is an abundant number, since it is smaller than the sum of its proper divisors (680505681184).

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

544404544544 is a wasteful number, since it uses less digits than its factorization.

544404544544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430377448 (or 2430377440 counting only the distinct ones).

The product of its (nonzero) digits is 8192000, while the sum is 47.

Adding to 544404544544 its reverse (445445404445), we get a palindrome (989849948989).

The spelling of 544404544544 in words is "five hundred forty-four billion, four hundred four million, five hundred forty-four thousand, five hundred forty-four".