5520325440 has 112 divisors (see below), whose sum is σ = 20030919552. Its totient is φ = 1261787136.

The previous prime is 5520325429. The next prime is 5520325441. The reversal of 5520325440 is 445230255.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×5520325440² = 60947985927022387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5520325398 and 5520325407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520325441) by changing a digit.

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, 404019 + ... + 417458.

It is an arithmetic number, because the mean of its divisors is an integer number (178847496).

Almost surely, 2^5520325440 is an apocalyptic number.

It is an amenable number.

5520325440 is an abundant number, since it is smaller than the sum of its proper divisors (14510594112).

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

5520325440 is a wasteful number, since it uses less digits than its factorization.

5520325440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821504 (or 821494 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 5520325440 is about 74298.8925893246. The cubic root of 5520325440 is about 1767.3459153050.

Adding to 5520325440 its reverse (445230255), we get a palindrome (5965555695).

The spelling of 5520325440 in words is "five billion, five hundred twenty million, three hundred twenty-five thousand, four hundred forty".