40108427 has 2 divisors, whose sum is σ = 40108428. Its totient is φ = 40108426.

The previous prime is 40108417. The next prime is 40108459. The reversal of 40108427 is 72480104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40108427 - 2²⁰ = 39059851 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40108396 and 40108405.

It is not a weakly prime, because it can be changed into another prime (40108417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20054213 + 20054214.

It is an arithmetic number, because the mean of its divisors is an integer number (20054214).

Almost surely, 2^40108427 is an apocalyptic number.

40108427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40108427 is an equidigital number, since it uses as much as digits as its factorization.

40108427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40108427 is about 6333.1214262795. The cubic root of 40108427 is about 342.3039231474.

The spelling of 40108427 in words is "forty million, one hundred eight thousand, four hundred twenty-seven".