544424221608 has 64 divisors (see below), whose sum is σ = 1365522294720. Its totient is φ = 180880128000.

The previous prime is 544424221603. The next prime is 544424221633. The reversal of 544424221608 is 806122424445.

It is a self number, because there is not a number n which added to its sum of digits gives 544424221608.

It is not an unprimeable number, because it can be changed into a prime (544424221603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46522158 + ... + 46533858.

It is an arithmetic number, because the mean of its divisors is an integer number (21336285855).

Almost surely, 2^544424221608 is an apocalyptic number.

It is an amenable number.

544424221608 is an abundant number, since it is smaller than the sum of its proper divisors (821098073112).

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

544424221608 is a wasteful number, since it uses less digits than its factorization.

544424221608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17898 (or 17894 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 42.

The spelling of 544424221608 in words is "five hundred forty-four billion, four hundred twenty-four million, two hundred twenty-one thousand, six hundred eight".