40585147 has 2 divisors, whose sum is σ = 40585148. Its totient is φ = 40585146.

The previous prime is 40585117. The next prime is 40585151. The reversal of 40585147 is 74158504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40585147 - 2⁷ = 40585019 is a prime.

It is not a weakly prime, because it can be changed into another prime (40585117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20292573 + 20292574.

It is an arithmetic number, because the mean of its divisors is an integer number (20292574).

Almost surely, 2^40585147 is an apocalyptic number.

40585147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40585147 is an equidigital number, since it uses as much as digits as its factorization.

40585147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 40585147 is about 6370.6472983520. The cubic root of 40585147 is about 343.6547684627.

The spelling of 40585147 in words is "forty million, five hundred eighty-five thousand, one hundred forty-seven".