5544055440 has 360 divisors, whose sum is σ = 23391461184. Its totient is φ = 1151884800.

The previous prime is 5544055427. The next prime is 5544055441. The reversal of 5544055440 is 445504455.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5544055395 and 5544055404.

It is not an unprimeable number, because it can be changed into a prime (5544055441) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 605295 + ... + 614385.

Almost surely, 2^5544055440 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 5544055440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11695730592).

5544055440 is an abundant number, since it is smaller than the sum of its proper divisors (17847405744).

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

5544055440 is a wasteful number, since it uses less digits than its factorization.

5544055440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139 (or 9119 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5544055440 is about 74458.4141652238. The cubic root of 5544055440 is about 1769.8747014626.

Adding to 5544055440 its reverse (445504455), we get a palindrome (5989559895).

The spelling of 5544055440 in words is "five billion, five hundred forty-four million, fifty-five thousand, four hundred forty".