43856042000 has 80 divisors (see below), whose sum is σ = 106100447232. Its totient is φ = 17533065600.

The previous prime is 43856041993. The next prime is 43856042011. The reversal of 43856042000 is 24065834.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689329 + ... + 4698671.

Almost surely, 2^43856042000 is an apocalyptic number.

43856042000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43856042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53050223616).

43856042000 is an abundant number, since it is smaller than the sum of its proper divisors (62244405232).

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

43856042000 is a wasteful number, since it uses less digits than its factorization.

43856042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713 (or 11697 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 43856042000 in words is "forty-three billion, eight hundred fifty-six million, forty-two thousand".