43958782940164 has 9 divisors (see below), whose sum is σ = 76927893350791. Its totient is φ = 21979384839940.

The previous prime is 43958782940159. The next prime is 43958782940183. The reversal of 43958782940164 is 46104928785934.

The square root of 43958782940164 is 6630142.

It is a perfect power (a square), and thus also a powerful number.

43958782940164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43958782940093 and 43958782940102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11602749 + ... + 14917819.

It is a 1-persistent number, because it is pandigital, but 2⋅43958782940164 = 87917565880328 is not.

Almost surely, 2^{43958782940164} is an apocalyptic number.

43958782940164 is the 6630142-nd square number.

It is an amenable number.

43958782940164 is a deficient number, since it is larger than the sum of its proper divisors (32969110410627).

43958782940164 is an frugal number, since it uses more digits than its factorization.

43958782940164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630146 (or 3315073 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 70.

The spelling of 43958782940164 in words is "forty-three trillion, nine hundred fifty-eight billion, seven hundred eighty-two million, nine hundred forty thousand, one hundred sixty-four".