40335345 has 12 divisors (see below), whose sum is σ = 69914676. Its totient is φ = 21512160.

The previous prime is 40335331. The next prime is 40335367. The reversal of 40335345 is 54353304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14447601 + 25887744 = 3801^2 + 5088^2 .

It is not a de Polignac number, because 40335345 - 2⁸ = 40335089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448126 + ... + 448215.

It is an arithmetic number, because the mean of its divisors is an integer number (5826223).

Almost surely, 2^40335345 is an apocalyptic number.

40335345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40335345 is a deficient number, since it is larger than the sum of its proper divisors (29579331).

40335345 is a wasteful number, since it uses less digits than its factorization.

40335345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896352 (or 896349 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 40335345 is about 6351.0113367872. The cubic root of 40335345 is about 342.9482507132.

Adding to 40335345 its reverse (54353304), we get a palindrome (94688649).

The spelling of 40335345 in words is "forty million, three hundred thirty-five thousand, three hundred forty-five".