40301047 has 2 divisors, whose sum is σ = 40301048. Its totient is φ = 40301046.

The previous prime is 40301021. The next prime is 40301057. The reversal of 40301047 is 74010304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40301047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40301017) by changing a digit.

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 as a sum of consecutive naturals, namely, 20150523 + 20150524.

It is an arithmetic number, because the mean of its divisors is an integer number (20150524).

Almost surely, 2^40301047 is an apocalyptic number.

40301047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40301047 is an equidigital number, since it uses as much as digits as its factorization.

40301047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 40301047 is about 6348.3105626615. The cubic root of 40301047 is about 342.8510177560.

The spelling of 40301047 in words is "forty million, three hundred one thousand, forty-seven".