43808256 has 80 divisors (see below), whose sum is σ = 129716400. Its totient is φ = 14598144.

The previous prime is 43808227. The next prime is 43808273. The reversal of 43808256 is 65280834.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 43808256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12240 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (1621455).

Almost surely, 2^43808256 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 43808256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64858200).

43808256 is an abundant number, since it is smaller than the sum of its proper divisors (85908144).

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

43808256 is an equidigital number, since it uses as much as digits as its factorization.

43808256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 43808256 is about 6618.7805523374. The cubic root of 43808256 is about 352.5212662589.

The spelling of 43808256 in words is "forty-three million, eight hundred eight thousand, two hundred fifty-six".