43440868 has 24 divisors (see below), whose sum is σ = 77622272. Its totient is φ = 21268224.

The previous prime is 43440863. The next prime is 43440871. The reversal of 43440868 is 86804434.

It is not an unprimeable number, because it can be changed into a prime (43440863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39421 + ... + 40507.

Almost surely, 2^43440868 is an apocalyptic number.

It is an amenable number.

43440868 is a deficient number, since it is larger than the sum of its proper divisors (34181404).

43440868 is a wasteful number, since it uses less digits than its factorization.

43440868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 43440868 is about 6590.9686693232. The cubic root of 43440868 is about 351.5330520704.

The spelling of 43440868 in words is "forty-three million, four hundred forty thousand, eight hundred sixty-eight".