40055959 has 2 divisors, whose sum is σ = 40055960. Its totient is φ = 40055958.

The previous prime is 40055957. The next prime is 40055987. The reversal of 40055959 is 95955004.

40055959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40055959 - 2¹ = 40055957 is a prime.

Together with 40055957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40055957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20027979 + 20027980.

It is an arithmetic number, because the mean of its divisors is an integer number (20027980).

Almost surely, 2^40055959 is an apocalyptic number.

40055959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40055959 is an equidigital number, since it uses as much as digits as its factorization.

40055959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 40055959 is about 6328.9777215598. The cubic root of 40055959 is about 342.1545959298.

It can be divided in two parts, 40055 and 959, that added together give a palindrome (41014).

The spelling of 40055959 in words is "forty million, fifty-five thousand, nine hundred fifty-nine".