40540127 has 2 divisors, whose sum is σ = 40540128. Its totient is φ = 40540126.

The previous prime is 40540117. The next prime is 40540133. The reversal of 40540127 is 72104504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40540127 - 2⁴ = 40540111 is a prime.

It is a super-2 number, since 2×40540127² = 3287003794352258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40540117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20270063 + 20270064.

It is an arithmetic number, because the mean of its divisors is an integer number (20270064).

Almost surely, 2^40540127 is an apocalyptic number.

40540127 is a deficient number, since it is larger than the sum of its proper divisors (1).

40540127 is an equidigital number, since it uses as much as digits as its factorization.

40540127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40540127 is about 6367.1129250234. The cubic root of 40540127 is about 343.5276524856.

The spelling of 40540127 in words is "forty million, five hundred forty thousand, one hundred twenty-seven".