43979405216 has 48 divisors (see below), whose sum is σ = 89064487008. Its totient is φ = 21368544000.

The previous prime is 43979405137. The next prime is 43979405231. The reversal of 43979405216 is 61250497934.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26291 + ... + 297741.

It is an arithmetic number, because the mean of its divisors is an integer number (1855510146).

Almost surely, 2^43979405216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43979405216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44532243504).

43979405216 is an abundant number, since it is smaller than the sum of its proper divisors (45085081792).

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

43979405216 is a wasteful number, since it uses less digits than its factorization.

43979405216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271605 (or 271597 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 43979405216 in words is "forty-three billion, nine hundred seventy-nine million, four hundred five thousand, two hundred sixteen".