518066140 has 24 divisors (see below), whose sum is σ = 1089149040. Its totient is φ = 206995968.

The previous prime is 518066117. The next prime is 518066161. The reversal of 518066140 is 41660815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639 + ... + 32521.

It is an arithmetic number, because the mean of its divisors is an integer number (45381210).

Almost surely, 2^518066140 is an apocalyptic number.

It is an amenable number.

518066140 is an abundant number, since it is smaller than the sum of its proper divisors (571082900).

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

518066140 is a wasteful number, since it uses less digits than its factorization.

518066140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28821 (or 28819 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 518066140 is about 22761.0663194851. The cubic root of 518066140 is about 803.1470517647.

The spelling of 518066140 in words is "five hundred eighteen million, sixty-six thousand, one hundred forty".