512545664631344 has 40 divisors (see below), whose sum is σ = 1045470070275840. Its totient is φ = 242750721987648.

The previous prime is 512545664631337. The next prime is 512545664631347. The reversal of 512545664631344 is 443136466545215.

It is not an unprimeable number, because it can be changed into a prime (512545664631347) 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, 116116364 + ... + 120449579.

It is an arithmetic number, because the mean of its divisors is an integer number (26136751756896).

Almost surely, 2^{512545664631344} is an apocalyptic number.

It is an amenable number.

512545664631344 is an abundant number, since it is smaller than the sum of its proper divisors (532924405644496).

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

512545664631344 is a wasteful number, since it uses less digits than its factorization.

512545664631344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236573097 (or 236573091 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 59.

The spelling of 512545664631344 in words is "five hundred twelve trillion, five hundred forty-five billion, six hundred sixty-four million, six hundred thirty-one thousand, three hundred forty-four".