43278080 has 36 divisors (see below), whose sum is σ = 103667592. Its totient is φ = 17310720.

The previous prime is 43278061. The next prime is 43278089. The reversal of 43278080 is 8087234.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43278089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15626 + ... + 18185.

Almost surely, 2^43278080 is an apocalyptic number.

43278080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43278080 is an abundant number, since it is smaller than the sum of its proper divisors (60389512).

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

43278080 is an equidigital number, since it uses as much as digits as its factorization.

43278080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33832 (or 33818 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 43278080 is about 6578.6077554449. The cubic root of 43278080 is about 351.0933970067.

The spelling of 43278080 in words is "forty-three million, two hundred seventy-eight thousand, eighty".