40803647 has 2 divisors, whose sum is σ = 40803648. Its totient is φ = 40803646.

The previous prime is 40803617. The next prime is 40803683. The reversal of 40803647 is 74630804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40803647 - 2¹⁶ = 40738111 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 (40803617) 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, 20401823 + 20401824.

It is an arithmetic number, because the mean of its divisors is an integer number (20401824).

Almost surely, 2^40803647 is an apocalyptic number.

40803647 is a deficient number, since it is larger than the sum of its proper divisors (1).

40803647 is an equidigital number, since it uses as much as digits as its factorization.

40803647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40803647 is about 6387.7732426879. The cubic root of 40803647 is about 344.2703813288.

The spelling of 40803647 in words is "forty million, eight hundred three thousand, six hundred forty-seven".