43628312171872 has 12 divisors (see below), whose sum is σ = 85893239588436. Its totient is φ = 21814156085920.

The previous prime is 43628312171863. The next prime is 43628312171933. The reversal of 43628312171872 is 27817121382634.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681692377654 + ... + 681692377717.

It is an arithmetic number, because the mean of its divisors is an integer number (7157769965703).

Almost surely, 2^{43628312171872} is an apocalyptic number.

It is an amenable number.

43628312171872 is a deficient number, since it is larger than the sum of its proper divisors (42264927416564).

43628312171872 is a wasteful number, since it uses less digits than its factorization.

43628312171872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363384755381 (or 1363384755373 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The spelling of 43628312171872 in words is "forty-three trillion, six hundred twenty-eight billion, three hundred twelve million, one hundred seventy-one thousand, eight hundred seventy-two".