43064448 has 128 divisors (see below), whose sum is σ = 134574720. Its totient is φ = 11943936.

The previous prime is 43064447. The next prime is 43064459. The reversal of 43064448 is 84446034.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (43064447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99240 + ... + 99672.

It is an arithmetic number, because the mean of its divisors is an integer number (1051365).

Almost surely, 2^43064448 is an apocalyptic number.

43064448 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 43064448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67287360).

43064448 is an abundant number, since it is smaller than the sum of its proper divisors (91510272).

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

43064448 is a wasteful number, since it uses less digits than its factorization.

43064448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 43064448 is about 6562.3507983039. The cubic root of 43064448 is about 350.5147473484.

The spelling of 43064448 in words is "forty-three million, sixty-four thousand, four hundred forty-eight".