43155968 has 40 divisors (see below), whose sum is σ = 89041920. Its totient is φ = 20874240.

The previous prime is 43155953. The next prime is 43155971. The reversal of 43155968 is 86955134.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14513 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (2226048).

Almost surely, 2^43155968 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 43155968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44520960).

43155968 is an abundant number, since it is smaller than the sum of its proper divisors (45885952).

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

43155968 is an equidigital number, since it uses as much as digits as its factorization.

43155968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768 (or 2752 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 43155968 is about 6569.3202083625. The cubic root of 43155968 is about 350.7628747734.

The spelling of 43155968 in words is "forty-three million, one hundred fifty-five thousand, nine hundred sixty-eight".