512957508648 has 128 divisors (see below), whose sum is σ = 1487571886080. Its totient is φ = 146100683520.

The previous prime is 512957508643. The next prime is 512957508667. The reversal of 512957508648 is 846805759215.

It is a junction number, because it is equal to n+sod(n) for n = 512957508591 and 512957508600.

It is not an unprimeable number, because it can be changed into a prime (512957508643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 930486 + ... + 1375397.

It is an arithmetic number, because the mean of its divisors is an integer number (11621655360).

Almost surely, 2^512957508648 is an apocalyptic number.

It is an amenable number.

512957508648 is an abundant number, since it is smaller than the sum of its proper divisors (974614377432).

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

512957508648 is a wasteful number, since it uses less digits than its factorization.

512957508648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305959 (or 2305955 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 60.

The spelling of 512957508648 in words is "five hundred twelve billion, nine hundred fifty-seven million, five hundred eight thousand, six hundred forty-eight".