40352345 has 32 divisors (see below), whose sum is σ = 54743040. Its totient is φ = 28304640.

The previous prime is 40352303. The next prime is 40352357. The reversal of 40352345 is 54325304.

It is not a de Polignac number, because 40352345 - 2¹² = 40348249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317672 + ... + 317798.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 2^40352345 is an apocalyptic number.

It is an amenable number.

40352345 is a deficient number, since it is larger than the sum of its proper divisors (14390695).

40352345 is a wasteful number, since it uses less digits than its factorization.

40352345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 40352345 is about 6352.3495653183. The cubic root of 40352345 is about 342.9964243551.

Adding to 40352345 its reverse (54325304), we get a palindrome (94677649).

The spelling of 40352345 in words is "forty million, three hundred fifty-two thousand, three hundred forty-five".