43040448 has 84 divisors (see below), whose sum is σ = 134602728. Its totient is φ = 13040640.

The previous prime is 43040423. The next prime is 43040449. The reversal of 43040448 is 84404034.

It is not an unprimeable number, because it can be changed into a prime (43040449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2940 + ... + 9732.

Almost surely, 2^43040448 is an apocalyptic number.

43040448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43040448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67301364).

43040448 is an abundant number, since it is smaller than the sum of its proper divisors (91562280).

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

43040448 is a wasteful number, since it uses less digits than its factorization.

43040448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 43040448 is about 6560.5219304564. The cubic root of 43040448 is about 350.4496207954.

The spelling of 43040448 in words is "forty-three million, forty thousand, four hundred forty-eight".