516790490 has 8 divisors (see below), whose sum is σ = 930222900. Its totient is φ = 206716192.

The previous prime is 516790487. The next prime is 516790501. The reversal of 516790490 is 94097615.

It can be written as a sum of positive squares in 2 ways, for example, as 489427129 + 27363361 = 22123^2 + 5231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25839515 + ... + 25839534.

Almost surely, 2^516790490 is an apocalyptic number.

516790490 is a deficient number, since it is larger than the sum of its proper divisors (413432410).

516790490 is a wasteful number, since it uses less digits than its factorization.

516790490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51679056.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 516790490 is about 22733.0264153280. The cubic root of 516790490 is about 802.4873054995.

The spelling of 516790490 in words is "five hundred sixteen million, seven hundred ninety thousand, four hundred ninety".