40359959 has 2 divisors, whose sum is σ = 40359960. Its totient is φ = 40359958.

The previous prime is 40359937. The next prime is 40359961. The reversal of 40359959 is 95995304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40359959 - 2²⁰ = 39311383 is a prime.

Together with 40359961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40359359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179979 + 20179980.

It is an arithmetic number, because the mean of its divisors is an integer number (20179980).

Almost surely, 2^40359959 is an apocalyptic number.

40359959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40359959 is an equidigital number, since it uses as much as digits as its factorization.

40359959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 40359959 is about 6352.9488428603. The cubic root of 40359959 is about 343.0179960922.

The spelling of 40359959 in words is "forty million, three hundred fifty-nine thousand, nine hundred fifty-nine".