40613759 has 2 divisors, whose sum is σ = 40613760. Its totient is φ = 40613758.

The previous prime is 40613747. The next prime is 40613761. The reversal of 40613759 is 95731604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40613759 - 2⁴ = 40613743 is a prime.

It is a super-2 number, since 2×40613759² = 3298954840220162, which contains 22 as substring.

Together with 40613761, 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 (40613719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20306879 + 20306880.

It is an arithmetic number, because the mean of its divisors is an integer number (20306880).

Almost surely, 2^40613759 is an apocalyptic number.

40613759 is a deficient number, since it is larger than the sum of its proper divisors (1).

40613759 is an equidigital number, since it uses as much as digits as its factorization.

40613759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 40613759 is about 6372.8925143925. The cubic root of 40613759 is about 343.7355068710.

The spelling of 40613759 in words is "forty million, six hundred thirteen thousand, seven hundred fifty-nine".