5506039840 has 144 divisors (see below), whose sum is σ = 15235262784. Its totient is φ = 1874880000.

The previous prime is 5506039837. The next prime is 5506039841. The reversal of 5506039840 is 489306055.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5506039793 and 5506039802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506039841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1181515 + ... + 1186165.

It is an arithmetic number, because the mean of its divisors is an integer number (105800436).

Almost surely, 2^5506039840 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 5506039840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7617631392).

5506039840 is an abundant number, since it is smaller than the sum of its proper divisors (9729222944).

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

5506039840 is a wasteful number, since it uses less digits than its factorization.

5506039840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831 (or 4816 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 5506039840 is about 74202.6942907062. The cubic root of 5506039840 is about 1765.8200748945.

The spelling of 5506039840 in words is "five billion, five hundred six million, thirty-nine thousand, eight hundred forty".