40158211 has 2 divisors, whose sum is σ = 40158212. Its totient is φ = 40158210.

The previous prime is 40158193. The next prime is 40158221. The reversal of 40158211 is 11285104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40158211 - 2⁵ = 40158179 is a prime.

It is a super-2 number, since 2×40158211² = 3225363821441042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40158221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20079105 + 20079106.

It is an arithmetic number, because the mean of its divisors is an integer number (20079106).

Almost surely, 2^40158211 is an apocalyptic number.

40158211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40158211 is an equidigital number, since it uses as much as digits as its factorization.

40158211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 40158211 is about 6337.0506546816. The cubic root of 40158211 is about 342.4454911744.

The spelling of 40158211 in words is "forty million, one hundred fifty-eight thousand, two hundred eleven".