518490492 has 48 divisors (see below), whose sum is σ = 1307185152. Its totient is φ = 159007680.

The previous prime is 518490491. The next prime is 518490499. The reversal of 518490492 is 294094815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518490491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43173 + ... + 53859.

It is an arithmetic number, because the mean of its divisors is an integer number (27233024).

Almost surely, 2^518490492 is an apocalyptic number.

518490492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 518490492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653592576).

518490492 is an abundant number, since it is smaller than the sum of its proper divisors (788694660).

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

518490492 is a wasteful number, since it uses less digits than its factorization.

518490492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018 (or 11016 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 518490492 is about 22770.3862944835. The cubic root of 518490492 is about 803.3662799150.

The spelling of 518490492 in words is "five hundred eighteen million, four hundred ninety thousand, four hundred ninety-two".