40590427 has 2 divisors, whose sum is σ = 40590428. Its totient is φ = 40590426.

The previous prime is 40590397. The next prime is 40590467. The reversal of 40590427 is 72409504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40590427 - 2⁷ = 40590299 is a prime.

It is not a weakly prime, because it can be changed into another prime (40590467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20295213 + 20295214.

It is an arithmetic number, because the mean of its divisors is an integer number (20295214).

Almost surely, 2^40590427 is an apocalyptic number.

40590427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40590427 is an equidigital number, since it uses as much as digits as its factorization.

40590427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40590427 is about 6371.0616854650. The cubic root of 40590427 is about 343.6696706181.

The spelling of 40590427 in words is "forty million, five hundred ninety thousand, four hundred twenty-seven".