40595959 has 2 divisors, whose sum is σ = 40595960. Its totient is φ = 40595958.

The previous prime is 40595939. The next prime is 40596001. The reversal of 40595959 is 95959504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40595959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40595909) 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, 20297979 + 20297980.

It is an arithmetic number, because the mean of its divisors is an integer number (20297980).

Almost surely, 2^40595959 is an apocalyptic number.

40595959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40595959 is an equidigital number, since it uses as much as digits as its factorization.

40595959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 40595959 is about 6371.4958212338. The cubic root of 40595959 is about 343.6852826264.

The spelling of 40595959 in words is "forty million, five hundred ninety-five thousand, nine hundred fifty-nine".