43368440 has 32 divisors (see below), whose sum is σ = 100219680. Its totient is φ = 16877952.

The previous prime is 43368379. The next prime is 43368463. The reversal of 43368440 is 4486334.

It is a junction number, because it is equal to n+sod(n) for n = 43368397 and 43368406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13172 + ... + 16131.

It is an arithmetic number, because the mean of its divisors is an integer number (3131865).

Almost surely, 2^43368440 is an apocalyptic number.

43368440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43368440 is an abundant number, since it is smaller than the sum of its proper divisors (56851240).

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

43368440 is a wasteful number, since it uses less digits than its factorization.

43368440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29351 (or 29347 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 43368440 is about 6585.4718889386. The cubic root of 43368440 is about 351.3375756271.

The spelling of 43368440 in words is "forty-three million, three hundred sixty-eight thousand, four hundred forty".