40147027 has 2 divisors, whose sum is σ = 40147028. Its totient is φ = 40147026.

The previous prime is 40147001. The next prime is 40147033. The reversal of 40147027 is 72074104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40147027 - 2¹⁵ = 40114259 is a prime.

It is a super-2 number, since 2×40147027² = 3223567553877458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40146992 and 40147010.

It is not a weakly prime, because it can be changed into another prime (40147087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20073513 + 20073514.

It is an arithmetic number, because the mean of its divisors is an integer number (20073514).

Almost surely, 2^40147027 is an apocalyptic number.

40147027 is a deficient number, since it is larger than the sum of its proper divisors (1).

40147027 is an equidigital number, since it uses as much as digits as its factorization.

40147027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 40147027 is about 6336.1681638037. The cubic root of 40147027 is about 342.4136980419.

The spelling of 40147027 in words is "forty million, one hundred forty-seven thousand, twenty-seven".