544540544 has 64 divisors (see below), whose sum is σ = 1150396800. Its totient is φ = 256296960.

The previous prime is 544540531. The next prime is 544540547. The reversal of 544540544 is 445045445.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544540547) 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, 144962 + ... + 148670.

It is an arithmetic number, because the mean of its divisors is an integer number (17974950).

Almost surely, 2^544540544 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 544540544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575198400).

544540544 is an abundant number, since it is smaller than the sum of its proper divisors (605856256).

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

544540544 is a wasteful number, since it uses less digits than its factorization.

544540544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The square root of 544540544 is about 23335.3925186614. The cubic root of 544540544 is about 816.6013125174.

Adding to 544540544 its reverse (445045445), we get a palindrome (989585989).

The spelling of 544540544 in words is "five hundred forty-four million, five hundred forty thousand, five hundred forty-four".