512207289340 has 24 divisors (see below), whose sum is σ = 1077467760432. Its totient is φ = 204533877120.

The previous prime is 512207289337. The next prime is 512207289409. The reversal of 512207289340 is 43982702215.

It is a congruent number.

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, 21802881 + ... + 21826360.

It is an arithmetic number, because the mean of its divisors is an integer number (44894490018).

Almost surely, 2^512207289340 is an apocalyptic number.

It is an amenable number.

512207289340 is an abundant number, since it is smaller than the sum of its proper divisors (565260471092).

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

512207289340 is a wasteful number, since it uses less digits than its factorization.

512207289340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43629837 (or 43629835 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 512207289340 in words is "five hundred twelve billion, two hundred seven million, two hundred eighty-nine thousand, three hundred forty".