544342220 has 24 divisors (see below), whose sum is σ = 1156894704. Its totient is φ = 215112896.

The previous prime is 544342217. The next prime is 544342301. The reversal of 544342220 is 22243445.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 544342220.

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, 162299 + ... + 165618.

It is an arithmetic number, because the mean of its divisors is an integer number (48203946).

Almost surely, 2^544342220 is an apocalyptic number.

It is an amenable number.

544342220 is an abundant number, since it is smaller than the sum of its proper divisors (612552484).

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

544342220 is a wasteful number, since it uses less digits than its factorization.

544342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328009 (or 328007 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 544342220 is about 23331.1427066914. The cubic root of 544342220 is about 816.5021639136.

Adding to 544342220 its reverse (22243445), we get a palindrome (566585665).

The spelling of 544342220 in words is "five hundred forty-four million, three hundred forty-two thousand, two hundred twenty".