5515433440 has 96 divisors (see below), whose sum is σ = 14705076960. Its totient is φ = 1936435200.

The previous prime is 5515433423. The next prime is 5515433467. The reversal of 5515433440 is 443345155.

It is a super-3 number, since 3×5515433440³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5515433396 and 5515433405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2991 + ... + 105070.

It is an arithmetic number, because the mean of its divisors is an integer number (153177885).

Almost surely, 2^5515433440 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 5515433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7352538480).

5515433440 is an abundant number, since it is smaller than the sum of its proper divisors (9189643520).

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

5515433440 is a wasteful number, since it uses less digits than its factorization.

5515433440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108116 (or 108108 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 5515433440 is about 74265.9642097240. The cubic root of 5515433440 is about 1766.8236990276.

Adding to 5515433440 its reverse (443345155), we get a palindrome (5958778595).

The spelling of 5515433440 in words is "five billion, five hundred fifteen million, four hundred thirty-three thousand, four hundred forty".