40858163 has 2 divisors, whose sum is σ = 40858164. Its totient is φ = 40858162.

The previous prime is 40858091. The next prime is 40858199. The reversal of 40858163 is 36185804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40858163 - 2¹² = 40854067 is a prime.

It is not a weakly prime, because it can be changed into another prime (40858063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20429081 + 20429082.

It is an arithmetic number, because the mean of its divisors is an integer number (20429082).

Almost surely, 2^40858163 is an apocalyptic number.

40858163 is a deficient number, since it is larger than the sum of its proper divisors (1).

40858163 is an equidigital number, since it uses as much as digits as its factorization.

40858163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 40858163 is about 6392.0390330473. The cubic root of 40858163 is about 344.4236347200.

The spelling of 40858163 in words is "forty million, eight hundred fifty-eight thousand, one hundred sixty-three".