40284743 has 2 divisors, whose sum is σ = 40284744. Its totient is φ = 40284742.

The previous prime is 40284737. The next prime is 40284757. The reversal of 40284743 is 34748204.

40284743 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 not a de Polignac number, because 40284743 - 2²⁴ = 23507527 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 (40284703) 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, 20142371 + 20142372.

It is an arithmetic number, because the mean of its divisors is an integer number (20142372).

Almost surely, 2^40284743 is an apocalyptic number.

40284743 is a deficient number, since it is larger than the sum of its proper divisors (1).

40284743 is an equidigital number, since it uses as much as digits as its factorization.

40284743 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 40284743 is about 6347.0263115888. The cubic root of 40284743 is about 342.8047774605.

The spelling of 40284743 in words is "forty million, two hundred eighty-four thousand, seven hundred forty-three".