5521333440 has 336 divisors, whose sum is σ = 21289865472. Its totient is φ = 1187364864.

The previous prime is 5521333439. The next prime is 5521333451. The reversal of 5521333440 is 443331255.

It is a tau number, because it is divible by the number of its divisors (336).

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 = 5521333398 and 5521333407.

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 47 ways as a sum of consecutive naturals, for example, 1940659 + ... + 1943501.

Almost surely, 2^5521333440 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 5521333440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10644932736).

5521333440 is an abundant number, since it is smaller than the sum of its proper divisors (15768532032).

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

5521333440 is a wasteful number, since it uses less digits than its factorization.

5521333440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2877 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 5521333440 is about 74305.6756916994. The cubic root of 5521333440 is about 1767.4534799936.

Adding to 5521333440 its reverse (443331255), we get a palindrome (5964664695).

The spelling of 5521333440 in words is "five billion, five hundred twenty-one million, three hundred thirty-three thousand, four hundred forty".