40354343 has 8 divisors (see below), whose sum is σ = 41742336. Its totient is φ = 38971800.

The previous prime is 40354337. The next prime is 40354357. The reversal of 40354343 is 34345304.

It is a happy number.

40354343 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 40354343 - 2²⁰ = 39305767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40354333) 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, 18530 + ... + 20592.

It is an arithmetic number, because the mean of its divisors is an integer number (5217792).

Almost surely, 2^40354343 is an apocalyptic number.

40354343 is a deficient number, since it is larger than the sum of its proper divisors (1387993).

40354343 is a wasteful number, since it uses less digits than its factorization.

40354343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 40354343 is about 6352.5068280168. The cubic root of 40354343 is about 343.0020852862.

Adding to 40354343 its reverse (34345304), we get a palindrome (74699647).

The spelling of 40354343 in words is "forty million, three hundred fifty-four thousand, three hundred forty-three".