40424163 has 16 divisors (see below), whose sum is σ = 58410240. Its totient is φ = 24719904.

The previous prime is 40424149. The next prime is 40424177. The reversal of 40424163 is 36142404.

40424163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 6358²-1.

It is an interprime number because it is at equal distance from previous prime (40424149) and next prime (40424177).

It is not a de Polignac number, because 40424163 - 2⁶ = 40424099 is a prime.

It is a super-2 number, since 2×40424163² = 3268225908501138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40424123) 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 in 15 ways as a sum of consecutive naturals, for example, 3178 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (3650640).

Almost surely, 2^40424163 is an apocalyptic number.

40424163 is a deficient number, since it is larger than the sum of its proper divisors (17986077).

40424163 is a wasteful number, since it uses less digits than its factorization.

40424163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40424163 is about 6357.9999213589. Note that the first 4 decimals coincide. The cubic root of 40424163 is about 343.1997889735.

Adding to 40424163 its reverse (36142404), we get a palindrome (76566567).

The spelling of 40424163 in words is "forty million, four hundred twenty-four thousand, one hundred sixty-three".