43340380 has 12 divisors (see below), whose sum is σ = 91014840. Its totient is φ = 17336144.

The previous prime is 43340377. The next prime is 43340393. The reversal of 43340380 is 8304334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083490 + ... + 1083529.

It is an arithmetic number, because the mean of its divisors is an integer number (7584570).

Almost surely, 2^43340380 is an apocalyptic number.

It is an amenable number.

43340380 is an abundant number, since it is smaller than the sum of its proper divisors (47674460).

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

43340380 is a wasteful number, since it uses less digits than its factorization.

43340380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167028 (or 2167026 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 43340380 is about 6583.3410970418. The cubic root of 43340380 is about 351.2617858028.

The spelling of 43340380 in words is "forty-three million, three hundred forty thousand, three hundred eighty".