5317251840 has 432 divisors, whose sum is σ = 20518898400. Its totient is φ = 1263403008.

The previous prime is 5317251827. The next prime is 5317251847. The reversal of 5317251840 is 481527135.

5317251840 is a `hidden beast` number, since 5 + 31 + 72 + 518 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5317251795 and 5317251804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5317251847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3720246 + ... + 3721674.

It is an arithmetic number, because the mean of its divisors is an integer number (47497450).

Almost surely, 2^5317251840 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 5317251840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10259449200).

5317251840 is an abundant number, since it is smaller than the sum of its proper divisors (15201646560).

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

5317251840 is a wasteful number, since it uses less digits than its factorization.

5317251840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 5317251840 is about 72919.4887530076. The cubic root of 5317251840 is about 1745.4031017035.

Adding to 5317251840 its reverse (481527135), we get a palindrome (5798778975).

The spelling of 5317251840 in words is "five billion, three hundred seventeen million, two hundred fifty-one thousand, eight hundred forty".