40427507 has 2 divisors, whose sum is σ = 40427508. Its totient is φ = 40427506.

The previous prime is 40427501. The next prime is 40427521. The reversal of 40427507 is 70572404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40427507 - 2²⁰ = 39378931 is a prime.

It is equal to p_2458109 and since 40427507 and 2458109 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40427507.

It is not a weakly prime, because it can be changed into another prime (40427501) 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, 20213753 + 20213754.

It is an arithmetic number, because the mean of its divisors is an integer number (20213754).

Almost surely, 2^40427507 is an apocalyptic number.

40427507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40427507 is an equidigital number, since it uses as much as digits as its factorization.

40427507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 40427507 is about 6358.2628917024. The cubic root of 40427507 is about 343.2092521952.

The spelling of 40427507 in words is "forty million, four hundred twenty-seven thousand, five hundred seven".