5550000040 has 64 divisors (see below), whose sum is σ = 13530787200. Its totient is φ = 2036627712.

The previous prime is 5549999971. The next prime is 5550000041. The reversal of 5550000040 is 400000555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5549999972 and 5550000017.

It is not an unprimeable number, because it can be changed into a prime (5550000041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52021 + ... + 117499.

It is an arithmetic number, because the mean of its divisors is an integer number (211418550).

Almost surely, 2^5550000040 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 5550000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6765393600).

5550000040 is an abundant number, since it is smaller than the sum of its proper divisors (7980787160).

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

5550000040 is a wasteful number, since it uses less digits than its factorization.

5550000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65666 (or 65662 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 5550000040 is about 74498.3223972191. The cubic root of 5550000040 is about 1770.5070567880.

Adding to 5550000040 its reverse (400000555), we get a palindrome (5950000595).

The spelling of 5550000040 in words is "five billion, five hundred fifty million, forty", and thus it is an aban number.