517040208 has 60 divisors (see below), whose sum is σ = 1454346400. Its totient is φ = 171471168.

The previous prime is 517040191. The next prime is 517040231. The reversal of 517040208 is 802040715.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 19635 + ... + 37677.

Almost surely, 2^517040208 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 517040208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727173200).

517040208 is an abundant number, since it is smaller than the sum of its proper divisors (937306192).

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

517040208 is a wasteful number, since it uses less digits than its factorization.

517040208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18256 (or 18247 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 517040208 is about 22738.5181575229. The cubic root of 517040208 is about 802.6165411439.

The spelling of 517040208 in words is "five hundred seventeen million, forty thousand, two hundred eight".