40716427 has 2 divisors, whose sum is σ = 40716428. Its totient is φ = 40716426.

The previous prime is 40716421. The next prime is 40716439. The reversal of 40716427 is 72461704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40716427 - 2³ = 40716419 is a prime.

It is not a weakly prime, because it can be changed into another prime (40716421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20358213 + 20358214.

It is an arithmetic number, because the mean of its divisors is an integer number (20358214).

Almost surely, 2^40716427 is an apocalyptic number.

40716427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40716427 is an equidigital number, since it uses as much as digits as its factorization.

40716427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 40716427 is about 6380.9424852446. The cubic root of 40716427 is about 344.0249074943.

The spelling of 40716427 in words is "forty million, seven hundred sixteen thousand, four hundred twenty-seven".