516344540 has 12 divisors (see below), whose sum is σ = 1084323576. Its totient is φ = 206537808.

The previous prime is 516344539. The next prime is 516344561. The reversal of 516344540 is 45443615.

It is a super-2 number, since 2×516344540² = 533223367975623200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516344497 and 516344506.

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 3 ways as a sum of consecutive naturals, for example, 12908594 + ... + 12908633.

It is an arithmetic number, because the mean of its divisors is an integer number (90360298).

Almost surely, 2^516344540 is an apocalyptic number.

It is an amenable number.

516344540 is an abundant number, since it is smaller than the sum of its proper divisors (567979036).

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

516344540 is a wasteful number, since it uses less digits than its factorization.

516344540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25817236 (or 25817234 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 516344540 is about 22723.2158815604. The cubic root of 516344540 is about 802.2564110281.

The spelling of 516344540 in words is "five hundred sixteen million, three hundred forty-four thousand, five hundred forty".