5170817540 has 24 divisors (see below), whose sum is σ = 12409962432. Its totient is φ = 1772851680.

The previous prime is 5170817521. The next prime is 5170817543. The reversal of 5170817540 is 457180715.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5170817494 and 5170817503.

It is not an unprimeable number, because it can be changed into a prime (5170817543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18467066 + ... + 18467345.

It is an arithmetic number, because the mean of its divisors is an integer number (517081768).

Almost surely, 2^5170817540 is an apocalyptic number.

It is an amenable number.

5170817540 is an abundant number, since it is smaller than the sum of its proper divisors (7239144892).

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

5170817540 is a wasteful number, since it uses less digits than its factorization.

5170817540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36934427 (or 36934425 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 5170817540 is about 71908.3968671253. The cubic root of 5170817540 is about 1729.2312331575.

The spelling of 5170817540 in words is "five billion, one hundred seventy million, eight hundred seventeen thousand, five hundred forty".