516440349 has 12 divisors (see below), whose sum is σ = 785231200. Its totient is φ = 326172744.

The previous prime is 516440347. The next prime is 516440357. The reversal of 516440349 is 943044615.

516440349 is a `hidden beast` number, since 5 + 1 + 644 + 0 + 3 + 4 + 9 = 666.

It is not a de Polignac number, because 516440349 - 2¹ = 516440347 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516440341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1509889 + ... + 1510230.

Almost surely, 2^516440349 is an apocalyptic number.

It is an amenable number.

516440349 is a deficient number, since it is larger than the sum of its proper divisors (268790851).

516440349 is a wasteful number, since it uses less digits than its factorization.

516440349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020144 (or 3020141 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 516440349 is about 22725.3239580869. The cubic root of 516440349 is about 802.3060281765.

The spelling of 516440349 in words is "five hundred sixteen million, four hundred forty thousand, three hundred forty-nine".