516644450252 has 24 divisors (see below), whose sum is σ = 1033363070880. Its totient is φ = 221403156480.

The previous prime is 516644450183. The next prime is 516644450299. The reversal of 516644450252 is 252054446615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260927 + ... + 1049462.

It is an arithmetic number, because the mean of its divisors is an integer number (43056794620).

Almost surely, 2^516644450252 is an apocalyptic number.

It is an amenable number.

516644450252 is an abundant number, since it is smaller than the sum of its proper divisors (516718620628).

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

516644450252 is a wasteful number, since it uses less digits than its factorization.

516644450252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324481 (or 1324479 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 516644450252 its reverse (252054446615), we get a palindrome (768698896867).

The spelling of 516644450252 in words is "five hundred sixteen billion, six hundred forty-four million, four hundred fifty thousand, two hundred fifty-two".