544881664 has 44 divisors (see below), whose sum is σ = 1099632024. Its totient is φ = 269840384.

The previous prime is 544881613. The next prime is 544881679. The reversal of 544881664 is 466188445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107082 + ... + 112054.

Almost surely, 2^544881664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544881664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549816012).

544881664 is an abundant number, since it is smaller than the sum of its proper divisors (554750360).

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

544881664 is a wasteful number, since it uses less digits than its factorization.

544881664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100 (or 5082 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 544881664 is about 23342.7004436076. The cubic root of 544881664 is about 816.7717931770.

It can be divided in two parts, 544881 and 664, that added together give a palindrome (545545).

The spelling of 544881664 in words is "five hundred forty-four million, eight hundred eighty-one thousand, six hundred sixty-four".