5317381640 has 64 divisors (see below), whose sum is σ = 12363909120. Its totient is φ = 2056032000.

The previous prime is 5317381639. The next prime is 5317381679. The reversal of 5317381640 is 461837135.

It is a junction number, because it is equal to n+sod(n) for n = 5317381594 and 5317381603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462625 + ... + 1466255.

It is an arithmetic number, because the mean of its divisors is an integer number (193186080).

Almost surely, 2^5317381640 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 5317381640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6181954560).

5317381640 is an abundant number, since it is smaller than the sum of its proper divisors (7046527480).

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

5317381640 is a wasteful number, since it uses less digits than its factorization.

5317381640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 5317381640 is about 72920.3787702724. The cubic root of 5317381640 is about 1745.4173039948.

The spelling of 5317381640 in words is "five billion, three hundred seventeen million, three hundred eighty-one thousand, six hundred forty".