544261728 has 48 divisors (see below), whose sum is σ = 1439000640. Its totient is φ = 180110976.

The previous prime is 544261721. The next prime is 544261741. The reversal of 544261728 is 827162445.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544261721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7050 + ... + 33737.

It is an arithmetic number, because the mean of its divisors is an integer number (29979180).

Almost surely, 2^544261728 is an apocalyptic number.

It is an amenable number.

544261728 is an abundant number, since it is smaller than the sum of its proper divisors (894738912).

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

544261728 is a wasteful number, since it uses less digits than its factorization.

544261728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40939 (or 40931 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 544261728 is about 23329.4176523976. The cubic root of 544261728 is about 816.4619164802.

The spelling of 544261728 in words is "five hundred forty-four million, two hundred sixty-one thousand, seven hundred twenty-eight".