516851140 has 24 divisors (see below), whose sum is σ = 1168879320. Its totient is φ = 190837248.

The previous prime is 516851029. The next prime is 516851141. The reversal of 516851140 is 41158615.

It can be written as a sum of positive squares in 4 ways, for example, as 78535044 + 438316096 = 8862^2 + 20936^2 .

It is not an unprimeable number, because it can be changed into a prime (516851141) 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, 993685 + ... + 994204.

It is an arithmetic number, because the mean of its divisors is an integer number (48703305).

Almost surely, 2^516851140 is an apocalyptic number.

It is an amenable number.

516851140 is an abundant number, since it is smaller than the sum of its proper divisors (652028180).

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

516851140 is a wasteful number, since it uses less digits than its factorization.

516851140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987911 (or 1987909 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 516851140 is about 22734.3603384832. The cubic root of 516851140 is about 802.5186972996.

It can be divided in two parts, 51685 and 1140, that added together give a palindrome (52825).

The spelling of 516851140 in words is "five hundred sixteen million, eight hundred fifty-one thousand, one hundred forty".