544365440 has 32 divisors (see below), whose sum is σ = 1301375160. Its totient is φ = 217745920.

The previous prime is 544365439. The next prime is 544365463. The reversal of 544365440 is 44563445.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 544365440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424646 + ... + 425925.

Almost surely, 2^544365440 is an apocalyptic number.

It is an amenable number.

544365440 is an abundant number, since it is smaller than the sum of its proper divisors (757009720).

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

544365440 is an equidigital number, since it uses as much as digits as its factorization.

544365440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850590 (or 850578 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 544365440 is about 23331.6403195318. The cubic root of 544365440 is about 816.5137735898.

The spelling of 544365440 in words is "five hundred forty-four million, three hundred sixty-five thousand, four hundred forty".