544001144 has 16 divisors (see below), whose sum is σ = 1052905920. Its totient is φ = 263226240.

The previous prime is 544001137. The next prime is 544001147. The reversal of 544001144 is 441100445.

It is a happy number.

544001144 is a modest number, since divided by 1144 gives 544 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544001147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096529 + ... + 1097024.

It is an arithmetic number, because the mean of its divisors is an integer number (65806620).

Almost surely, 2^544001144 is an apocalyptic number.

It is an amenable number.

544001144 is a deficient number, since it is larger than the sum of its proper divisors (508904776).

544001144 is a wasteful number, since it uses less digits than its factorization.

544001144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193590 (or 2193586 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 544001144 is about 23323.8321036660. The cubic root of 544001144 is about 816.3315926151.

Adding to 544001144 its reverse (441100445), we get a palindrome (985101589).

The spelling of 544001144 in words is "five hundred forty-four million, one thousand, one hundred forty-four".