40940147 has 2 divisors, whose sum is σ = 40940148. Its totient is φ = 40940146.

The previous prime is 40940077. The next prime is 40940173. The reversal of 40940147 is 74104904.

40940147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40940147 - 2¹⁴ = 40923763 is a prime.

It is not a weakly prime, because it can be changed into another prime (40942147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20470073 + 20470074.

It is an arithmetic number, because the mean of its divisors is an integer number (20470074).

Almost surely, 2^40940147 is an apocalyptic number.

40940147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40940147 is an equidigital number, since it uses as much as digits as its factorization.

40940147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40940147 is about 6398.4487963881. The cubic root of 40940147 is about 344.6538487069.

The spelling of 40940147 in words is "forty million, nine hundred forty thousand, one hundred forty-seven".