43478256 has 40 divisors (see below), whose sum is σ = 115359184. Its totient is φ = 14100480.

The previous prime is 43478209. The next prime is 43478269. The reversal of 43478256 is 65287434.

It is a happy number.

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, 10465 + ... + 14016.

Almost surely, 2^43478256 is an apocalyptic number.

It is an amenable number.

43478256 is an abundant number, since it is smaller than the sum of its proper divisors (71880928).

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

43478256 is a wasteful number, since it uses less digits than its factorization.

43478256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24529 (or 24523 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 43478256 is about 6593.8043647048. The cubic root of 43478256 is about 351.6338737893.

It can be divided in two parts, 43478 and 256, that added together give a palindrome (43734).

The spelling of 43478256 in words is "forty-three million, four hundred seventy-eight thousand, two hundred fifty-six".