5505812040 has 128 divisors (see below), whose sum is σ = 17080012800. Its totient is φ = 1418376960.

The previous prime is 5505812021. The next prime is 5505812041. The reversal of 5505812040 is 402185055.

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 = 5505811989 and 5505812007.

It is not an unprimeable number, because it can be changed into a prime (5505812041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3194619 + ... + 3196341.

It is an arithmetic number, because the mean of its divisors is an integer number (133437600).

Almost surely, 2^5505812040 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 5505812040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8540006400).

5505812040 is an abundant number, since it is smaller than the sum of its proper divisors (11574200760).

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

5505812040 is a wasteful number, since it uses less digits than its factorization.

5505812040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 5505812040 is about 74201.1592901351. The cubic root of 5505812040 is about 1765.7957222822.

Adding to 5505812040 its reverse (402185055), we get a palindrome (5907997095).

The spelling of 5505812040 in words is "five billion, five hundred five million, eight hundred twelve thousand, forty".