40335487 has 2 divisors, whose sum is σ = 40335488. Its totient is φ = 40335486.

The previous prime is 40335481. The next prime is 40335497. The reversal of 40335487 is 78453304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40335487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40335481) 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, 20167743 + 20167744.

It is an arithmetic number, because the mean of its divisors is an integer number (20167744).

Almost surely, 2^40335487 is an apocalyptic number.

40335487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40335487 is an equidigital number, since it uses as much as digits as its factorization.

40335487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 40335487 is about 6351.0225160993. The cubic root of 40335487 is about 342.9486531609.

The spelling of 40335487 in words is "forty million, three hundred thirty-five thousand, four hundred eighty-seven".