40343345 has 8 divisors (see below), whose sum is σ = 55328064. Its totient is φ = 27663984.

The previous prime is 40343341. The next prime is 40343371. The reversal of 40343345 is 54334304.

It is a happy number.

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 40343345 - 2² = 40343341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40343341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576299 + ... + 576368.

It is an arithmetic number, because the mean of its divisors is an integer number (6916008).

Almost surely, 2^40343345 is an apocalyptic number.

It is an amenable number.

40343345 is a deficient number, since it is larger than the sum of its proper divisors (14984719).

40343345 is a wasteful number, since it uses less digits than its factorization.

40343345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152679.

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

The square root of 40343345 is about 6351.6411265121. The cubic root of 40343345 is about 342.9709223481.

Adding to 40343345 its reverse (54334304), we get a palindrome (94677649).

The spelling of 40343345 in words is "forty million, three hundred forty-three thousand, three hundred forty-five".