40230647 has 2 divisors, whose sum is σ = 40230648. Its totient is φ = 40230646.

The previous prime is 40230643. The next prime is 40230683. The reversal of 40230647 is 74603204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40230647 - 2² = 40230643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40230643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115323 + 20115324.

It is an arithmetic number, because the mean of its divisors is an integer number (20115324).

Almost surely, 2^40230647 is an apocalyptic number.

40230647 is a deficient number, since it is larger than the sum of its proper divisors (1).

40230647 is an equidigital number, since it uses as much as digits as its factorization.

40230647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 40230647 is about 6342.7633567712. The cubic root of 40230647 is about 342.6512646352.

The spelling of 40230647 in words is "forty million, two hundred thirty thousand, six hundred forty-seven".