5505997440 has 128 divisors (see below), whose sum is σ = 17715049920. Its totient is φ = 1454489600.

The previous prime is 5505997429. The next prime is 5505997463. The reversal of 5505997440 is 447995055.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5505997440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192040 + ... + 218840.

Almost surely, 2^5505997440 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 5505997440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8857524960).

5505997440 is an abundant number, since it is smaller than the sum of its proper divisors (12209052480).

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

5505997440 is a wasteful number, since it uses less digits than its factorization.

5505997440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26930 (or 26918 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The square root of 5505997440 is about 74202.4085862447. The cubic root of 5505997440 is about 1765.8155422380.

The spelling of 5505997440 in words is "five billion, five hundred five million, nine hundred ninety-seven thousand, four hundred forty".