40324307 has 2 divisors, whose sum is σ = 40324308. Its totient is φ = 40324306.

The previous prime is 40324303. The next prime is 40324331. The reversal of 40324307 is 70342304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40324307 - 2² = 40324303 is a prime.

It is a Chen prime.

It is equal to p_2452235 and since 40324307 and 2452235 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40324303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162153 + 20162154.

It is an arithmetic number, because the mean of its divisors is an integer number (20162154).

Almost surely, 2^40324307 is an apocalyptic number.

40324307 is a deficient number, since it is larger than the sum of its proper divisors (1).

40324307 is an equidigital number, since it uses as much as digits as its factorization.

40324307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 40324307 is about 6350.1422818705. The cubic root of 40324307 is about 342.9169646030.

The spelling of 40324307 in words is "forty million, three hundred twenty-four thousand, three hundred seven".