5540443320 has 128 divisors (see below), whose sum is σ = 18257011200. Its totient is φ = 1338822144.

The previous prime is 5540443319. The next prime is 5540443357. The reversal of 5540443320 is 233440455.

It is a super-3 number, since 3×5540443320³ (a number of 30 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387 + ... + 105266.

It is an arithmetic number, because the mean of its divisors is an integer number (142632900).

Almost surely, 2^5540443320 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 5540443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9128505600).

5540443320 is an abundant number, since it is smaller than the sum of its proper divisors (12716567880).

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

5540443320 is a wasteful number, since it uses less digits than its factorization.

5540443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105709 (or 105705 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 5540443320 is about 74434.1542573031. The cubic root of 5540443320 is about 1769.4902423009.

Adding to 5540443320 its reverse (233440455), we get a palindrome (5773883775).

The spelling of 5540443320 in words is "five billion, five hundred forty million, four hundred forty-three thousand, three hundred twenty".