43686454421168 has 40 divisors (see below), whose sum is σ = 91477857084096. Its totient is φ = 20091224563200.

The previous prime is 43686454421167. The next prime is 43686454421179. The reversal of 43686454421168 is 86112445468634.

It is a self number, because there is not a number n which added to its sum of digits gives 43686454421168.

It is not an unprimeable number, because it can be changed into a prime (43686454421167) 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, 373662248 + ... + 373779143.

Almost surely, 2^{43686454421168} is an apocalyptic number.

It is an amenable number.

43686454421168 is an abundant number, since it is smaller than the sum of its proper divisors (47791402662928).

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

43686454421168 is a wasteful number, since it uses less digits than its factorization.

43686454421168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747441693 (or 747441687 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 62.

The spelling of 43686454421168 in words is "forty-three trillion, six hundred eighty-six billion, four hundred fifty-four million, four hundred twenty-one thousand, one hundred sixty-eight".