40115347 has 2 divisors, whose sum is σ = 40115348. Its totient is φ = 40115346.

The previous prime is 40115303. The next prime is 40115351. The reversal of 40115347 is 74351104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40115347 - 2⁷ = 40115219 is a prime.

It is not a weakly prime, because it can be changed into another prime (40115447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20057673 + 20057674.

It is an arithmetic number, because the mean of its divisors is an integer number (20057674).

Almost surely, 2^40115347 is an apocalyptic number.

40115347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40115347 is an equidigital number, since it uses as much as digits as its factorization.

40115347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40115347 is about 6333.6677367857. The cubic root of 40115347 is about 342.3236081788.

The spelling of 40115347 in words is "forty million, one hundred fifteen thousand, three hundred forty-seven".