5550440240 has 20 divisors (see below), whose sum is σ = 12904773744. Its totient is φ = 2220176064.

The previous prime is 5550440209. The next prime is 5550440243. The reversal of 5550440240 is 420440555.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×5550440240² = 61614773715622515200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5550440243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34690172 + ... + 34690331.

Almost surely, 2^5550440240 is an apocalyptic number.

It is an amenable number.

5550440240 is an abundant number, since it is smaller than the sum of its proper divisors (7354333504).

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

5550440240 is a wasteful number, since it uses less digits than its factorization.

5550440240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69380516 (or 69380510 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 5550440240 is about 74501.2767675830. The cubic root of 5550440240 is about 1770.5538649920.

Adding to 5550440240 its reverse (420440555), we get a palindrome (5970880795).

The spelling of 5550440240 in words is "five billion, five hundred fifty million, four hundred forty thousand, two hundred forty".