40384342 has 4 divisors (see below), whose sum is σ = 60576516. Its totient is φ = 20192170.

The previous prime is 40384321. The next prime is 40384363. The reversal of 40384342 is 24348304.

40384342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40384321) and next prime (40384363).

It is a self number, because there is not a number n which added to its sum of digits gives 40384342.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10096084 + ... + 10096087.

It is an arithmetic number, because the mean of its divisors is an integer number (15144129).

Almost surely, 2^40384342 is an apocalyptic number.

40384342 is a deficient number, since it is larger than the sum of its proper divisors (20192174).

40384342 is a wasteful number, since it uses less digits than its factorization.

40384342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192173.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 40384342 is about 6354.8675831995. The cubic root of 40384342 is about 343.0870589643.

The spelling of 40384342 in words is "forty million, three hundred eighty-four thousand, three hundred forty-two".