5544450440 has 64 divisors (see below), whose sum is σ = 12942720000. Its totient is φ = 2135358720.

The previous prime is 5544450433. The next prime is 5544450467. The reversal of 5544450440 is 440544455.

It is a self number, because there is not a number n which added to its sum of digits gives 5544450440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235526 + ... + 257994.

It is an arithmetic number, because the mean of its divisors is an integer number (202230000).

Almost surely, 2^5544450440 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 5544450440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6471360000).

5544450440 is an abundant number, since it is smaller than the sum of its proper divisors (7398269560).

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

5544450440 is a wasteful number, since it uses less digits than its factorization.

5544450440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22710 (or 22706 counting only the distinct ones).

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

The square root of 5544450440 is about 74461.0666053072. The cubic root of 5544450440 is about 1769.9167335041.

Adding to 5544450440 its reverse (440544455), we get a palindrome (5984994895).

The spelling of 5544450440 in words is "five billion, five hundred forty-four million, four hundred fifty thousand, four hundred forty".