5500421240 has 64 divisors (see below), whose sum is σ = 12643788960. Its totient is φ = 2152926720.

The previous prime is 5500421237. The next prime is 5500421257. The reversal of 5500421240 is 421240055.

It is a happy number.

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, 474959 + ... + 486401.

Almost surely, 2^5500421240 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 5500421240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6321894480).

5500421240 is an abundant number, since it is smaller than the sum of its proper divisors (7143367720).

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

5500421240 is a wasteful number, since it uses less digits than its factorization.

5500421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712 (or 11708 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5500421240 is about 74164.8248160811. The cubic root of 5500421240 is about 1765.2192308742.

Adding to 5500421240 its reverse (421240055), we get a palindrome (5921661295).

The spelling of 5500421240 in words is "five billion, five hundred million, four hundred twenty-one thousand, two hundred forty".