516381744 has 20 divisors (see below), whose sum is σ = 1333986296. Its totient is φ = 172127232.

The previous prime is 516381721. The next prime is 516381769. The reversal of 516381744 is 447183615.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5378929 + ... + 5379024.

Almost surely, 2^516381744 is an apocalyptic number.

It is an amenable number.

516381744 is an abundant number, since it is smaller than the sum of its proper divisors (817604552).

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

516381744 is a wasteful number, since it uses less digits than its factorization.

516381744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757964 (or 10757958 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 516381744 is about 22724.0345009419. The cubic root of 516381744 is about 802.2756788027.

The spelling of 516381744 in words is "five hundred sixteen million, three hundred eighty-one thousand, seven hundred forty-four".