40618113 has 8 divisors (see below), whose sum is σ = 54187008. Its totient is φ = 27063984.

The previous prime is 40618103. The next prime is 40618139. The reversal of 40618113 is 31181604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40618113 is a prime.

It is a super-2 number, since 2×40618113² = 3299662207361538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40618103) 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, 8256 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (6773376).

Almost surely, 2^40618113 is an apocalyptic number.

It is an amenable number.

40618113 is a deficient number, since it is larger than the sum of its proper divisors (13568895).

40618113 is a wasteful number, since it uses less digits than its factorization.

40618113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 40618113 is about 6373.2341083629. The cubic root of 40618113 is about 343.7477898260.

Adding to 40618113 its reverse (31181604), we get a palindrome (71799717).

The spelling of 40618113 in words is "forty million, six hundred eighteen thousand, one hundred thirteen".