516291775240 has 32 divisors (see below), whose sum is σ = 1161685148760. Its totient is φ = 206511616000.

The previous prime is 516291775211. The next prime is 516291775267. The reversal of 516291775240 is 42577192615.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 444897004036 + 71394771204 = 667006^2 + 267198^2 .

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, 1771890 + ... + 2042590.

Almost surely, 2^516291775240 is an apocalyptic number.

It is an amenable number.

516291775240 is an abundant number, since it is smaller than the sum of its proper divisors (645393373520).

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

516291775240 is a wasteful number, since it uses less digits than its factorization.

516291775240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318393 (or 318389 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 516291775240 in words is "five hundred sixteen billion, two hundred ninety-one million, seven hundred seventy-five thousand, two hundred forty".