40306113 has 8 divisors (see below), whose sum is σ = 59712800. Its totient is φ = 26870724.

The previous prime is 40306103. The next prime is 40306121. The reversal of 40306113 is 31160304.

It is not a de Polignac number, because 40306113 - 2¹⁷ = 40175041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40306103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746383 + ... + 746436.

It is an arithmetic number, because the mean of its divisors is an integer number (7464100).

Almost surely, 2^40306113 is an apocalyptic number.

It is an amenable number.

40306113 is a deficient number, since it is larger than the sum of its proper divisors (19406687).

40306113 is a wasteful number, since it uses less digits than its factorization.

40306113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492828 (or 1492822 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40306113 is about 6348.7095539172. The cubic root of 40306113 is about 342.8653830609.

Adding to 40306113 its reverse (31160304), we get a palindrome (71466417).

It can be divided in two parts, 40 and 306113, that added together give a triangular number (306153 = T₇₈₂).

The spelling of 40306113 in words is "forty million, three hundred six thousand, one hundred thirteen".