517410990 has 80 divisors (see below), whose sum is σ = 1451802528. Its totient is φ = 131972544.

The previous prime is 517410977. The next prime is 517410991. The reversal of 517410990 is 99014715.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517410991) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4744 + ... + 32516.

Almost surely, 2^517410990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 517410990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725901264).

517410990 is an abundant number, since it is smaller than the sum of its proper divisors (934391538).

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

517410990 is a wasteful number, since it uses less digits than its factorization.

517410990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27815 (or 27806 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 517410990 is about 22746.6698661584. The cubic root of 517410990 is about 802.8083538581.

It can be divided in two parts, 517410 and 990, that added together give a square (518400 = 720²).

The spelling of 517410990 in words is "five hundred seventeen million, four hundred ten thousand, nine hundred ninety".