5124445540 has 72 divisors (see below), whose sum is σ = 11851721280. Its totient is φ = 1857404736.

The previous prime is 5124445537. The next prime is 5124445549. The reversal of 5124445540 is 455444215.

It is a junction number, because it is equal to n+sod(n) for n = 5124445496 and 5124445505.

It is not an unprimeable number, because it can be changed into a prime (5124445549) 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, 150631 + ... + 181489.

It is an arithmetic number, because the mean of its divisors is an integer number (164607240).

Almost surely, 2^5124445540 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 5124445540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5925860640).

5124445540 is an abundant number, since it is smaller than the sum of its proper divisors (6727275740).

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

5124445540 is a wasteful number, since it uses less digits than its factorization.

5124445540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30929 (or 30908 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 5124445540 is about 71585.2326950189. The cubic root of 5124445540 is about 1724.0464423870.

Adding to 5124445540 its reverse (455444215), we get a palindrome (5579889755).

The spelling of 5124445540 in words is "five billion, one hundred twenty-four million, four hundred forty-five thousand, five hundred forty".