5171455240 has 128 divisors (see below), whose sum is σ = 13987676160. Its totient is φ = 1682360064.

The previous prime is 5171455213. The next prime is 5171455253. The reversal of 5171455240 is 425541715.

It is a junction number, because it is equal to n+sod(n) for n = 5171455196 and 5171455205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814719 + ... + 821041.

It is an arithmetic number, because the mean of its divisors is an integer number (109278720).

Almost surely, 2^5171455240 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 5171455240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6993838080).

5171455240 is an abundant number, since it is smaller than the sum of its proper divisors (8816220920).

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

5171455240 is a wasteful number, since it uses less digits than its factorization.

5171455240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 5171455240 is about 71912.8308440156. The cubic root of 5171455240 is about 1729.3023170445.

Adding to 5171455240 its reverse (425541715), we get a palindrome (5596996955).

The spelling of 5171455240 in words is "five billion, one hundred seventy-one million, four hundred fifty-five thousand, two hundred forty".