43055340 has 24 divisors (see below), whose sum is σ = 120555120. Its totient is φ = 11481408.

The previous prime is 43055321. The next prime is 43055357. The reversal of 43055340 is 4355034.

It is a happy number.

43055340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43055340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358735 + ... + 358854.

It is an arithmetic number, because the mean of its divisors is an integer number (5023130).

Almost surely, 2^43055340 is an apocalyptic number.

It is an amenable number.

43055340 is an abundant number, since it is smaller than the sum of its proper divisors (77499780).

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

43055340 is a wasteful number, since it uses less digits than its factorization.

43055340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717601 (or 717599 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 43055340 is about 6561.6568029729. The cubic root of 43055340 is about 350.4900346712.

The spelling of 43055340 in words is "forty-three million, fifty-five thousand, three hundred forty".