40342345 has 8 divisors (see below), whose sum is σ = 50515776. Its totient is φ = 30870576.

The previous prime is 40342331. The next prime is 40342349. The reversal of 40342345 is 54324304.

40342345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40342345 - 2¹¹ = 40340297 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40342349) 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, 175287 + ... + 175516.

It is an arithmetic number, because the mean of its divisors is an integer number (6314472).

Almost surely, 2^40342345 is an apocalyptic number.

It is an amenable number.

40342345 is a deficient number, since it is larger than the sum of its proper divisors (10173431).

40342345 is a wasteful number, since it uses less digits than its factorization.

40342345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350831.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 40342345 is about 6351.5624062116. The cubic root of 40342345 is about 342.9680885577.

Adding to 40342345 its reverse (54324304), we get a palindrome (94666649).

The spelling of 40342345 in words is "forty million, three hundred forty-two thousand, three hundred forty-five".