516844490 has 16 divisors (see below), whose sum is σ = 955464552. Its totient is φ = 201150144.

The previous prime is 516844487. The next prime is 516844501. The reversal of 516844490 is 94448615.

It can be written as a sum of positive squares in 4 ways, for example, as 509720929 + 7123561 = 22577^2 + 2669^2 .

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, 698069 + ... + 698808.

Almost surely, 2^516844490 is an apocalyptic number.

516844490 is a deficient number, since it is larger than the sum of its proper divisors (438620062).

516844490 is a wasteful number, since it uses less digits than its factorization.

516844490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396921.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 516844490 is about 22734.2140836229. The cubic root of 516844490 is about 802.5152554496.

The spelling of 516844490 in words is "five hundred sixteen million, eight hundred forty-four thousand, four hundred ninety".