517117040 has 40 divisors (see below), whose sum is σ = 1311599088. Its totient is φ = 188042240.

The previous prime is 517117021. The next prime is 517117057. The reversal of 517117040 is 40711715.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292937 + ... + 294696.

Almost surely, 2^517117040 is an apocalyptic number.

It is an amenable number.

517117040 is an abundant number, since it is smaller than the sum of its proper divisors (794482048).

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

517117040 is a wasteful number, since it uses less digits than its factorization.

517117040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587657 (or 587651 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 517117040 is about 22740.2075628170. The cubic root of 517117040 is about 802.6562953570.

Adding to 517117040 its reverse (40711715), we get a palindrome (557828755).

The spelling of 517117040 in words is "five hundred seventeen million, one hundred seventeen thousand, forty".