43128768 has 28 divisors (see below), whose sum is σ = 114112040. Its totient is φ = 14376192.

The previous prime is 43128763. The next prime is 43128809. The reversal of 43128768 is 86782134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43128763) 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, 112123 + ... + 112506.

It is an arithmetic number, because the mean of its divisors is an integer number (4075430).

Almost surely, 2^43128768 is an apocalyptic number.

43128768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43128768 is an abundant number, since it is smaller than the sum of its proper divisors (70983272).

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

43128768 is a wasteful number, since it uses less digits than its factorization.

43128768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224644 (or 224634 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 43128768 is about 6567.2496526324. The cubic root of 43128768 is about 350.6891672750.

The spelling of 43128768 in words is "forty-three million, one hundred twenty-eight thousand, seven hundred sixty-eight".