516744942 has 16 divisors (see below), whose sum is σ = 1181131392. Its totient is φ = 147641400.

The previous prime is 516744941. The next prime is 516744967. The reversal of 516744942 is 249447615.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 12303451 = 516744942 / (5 + 1 + 6 + 7 + 4 + 4 + 9 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 516744894 and 516744903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516744941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6151684 + ... + 6151767.

It is an arithmetic number, because the mean of its divisors is an integer number (73820712).

Almost surely, 2^516744942 is an apocalyptic number.

516744942 is an abundant number, since it is smaller than the sum of its proper divisors (664386450).

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

516744942 is a wasteful number, since it uses less digits than its factorization.

516744942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12303463.

The product of its digits is 241920, while the sum is 42.

The square root of 516744942 is about 22732.0245908718. The cubic root of 516744942 is about 802.4637287204.

It can be divided in two parts, 51674 and 4942, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 516744942 in words is "five hundred sixteen million, seven hundred forty-four thousand, nine hundred forty-two".