43041012816 has 80 divisors (see below), whose sum is σ = 117124567040. Its totient is φ = 13582235520.

The previous prime is 43041012787. The next prime is 43041012821. The reversal of 43041012816 is 61821014034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325511 + ... + 1357593.

It is an arithmetic number, because the mean of its divisors is an integer number (1464057088).

Almost surely, 2^43041012816 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 43041012816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58562283520).

43041012816 is an abundant number, since it is smaller than the sum of its proper divisors (74083554224).

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

43041012816 is a wasteful number, since it uses less digits than its factorization.

43041012816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33584 (or 33578 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 43041012816 in words is "forty-three billion, forty-one million, twelve thousand, eight hundred sixteen".