43662642 has 16 divisors (see below), whose sum is σ = 87883392. Its totient is φ = 14461200.

The previous prime is 43662637. The next prime is 43662643. The reversal of 43662642 is 24626634.

43662642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43662643) by changing a digit.

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, 22234 + ... + 24117.

It is an arithmetic number, because the mean of its divisors is an integer number (5492712).

Almost surely, 2^43662642 is an apocalyptic number.

43662642 is an abundant number, since it is smaller than the sum of its proper divisors (44220750).

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

43662642 is a wasteful number, since it uses less digits than its factorization.

43662642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46513.

The product of its digits is 41472, while the sum is 33.

The square root of 43662642 is about 6607.7713338160. The cubic root of 43662642 is about 352.1302515987.

The spelling of 43662642 in words is "forty-three million, six hundred sixty-two thousand, six hundred forty-two".