40447283 has 2 divisors, whose sum is σ = 40447284. Its totient is φ = 40447282.

The previous prime is 40447261. The next prime is 40447339. The reversal of 40447283 is 38274404.

40447283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40447283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40447483) 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, 20223641 + 20223642.

It is an arithmetic number, because the mean of its divisors is an integer number (20223642).

Almost surely, 2^40447283 is an apocalyptic number.

40447283 is a deficient number, since it is larger than the sum of its proper divisors (1).

40447283 is an equidigital number, since it uses as much as digits as its factorization.

40447283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 40447283 is about 6359.8178433034. The cubic root of 40447283 is about 343.2652058454.

The spelling of 40447283 in words is "forty million, four hundred forty-seven thousand, two hundred eighty-three".