5440556544 has 80 divisors (see below), whose sum is σ = 14961661440. Its totient is φ = 1755002880.

The previous prime is 5440556521. The next prime is 5440556573. The reversal of 5440556544 is 4456550445.

It is a super-2 number, since 2×5440556544² = 59199311016922447872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5440556496 and 5440556505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9514 + ... + 104745.

It is an arithmetic number, because the mean of its divisors is an integer number (187020768).

Almost surely, 2^5440556544 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 5440556544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7480830720).

5440556544 is an abundant number, since it is smaller than the sum of its proper divisors (9521104896).

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

5440556544 is a wasteful number, since it uses less digits than its factorization.

5440556544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114311 (or 114295 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The square root of 5440556544 is about 73760.1284163741. The cubic root of 5440556544 is about 1758.7918430233.

The spelling of 5440556544 in words is "five billion, four hundred forty million, five hundred fifty-six thousand, five hundred forty-four".