516768340 has 24 divisors (see below), whose sum is σ = 1183869792. Its totient is φ = 187915680.

The previous prime is 516768293. The next prime is 516768341. The reversal of 516768340 is 43867615.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 516768293 and 516768302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516768341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174254 + ... + 1174693.

It is an arithmetic number, because the mean of its divisors is an integer number (49327908).

Almost surely, 2^516768340 is an apocalyptic number.

It is an amenable number.

516768340 is an abundant number, since it is smaller than the sum of its proper divisors (667101452).

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

516768340 is a wasteful number, since it uses less digits than its factorization.

516768340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348967 (or 2348965 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 516768340 is about 22732.5392334424. The cubic root of 516768340 is about 802.4758402809.

The spelling of 516768340 in words is "five hundred sixteen million, seven hundred sixty-eight thousand, three hundred forty".