40115108 has 12 divisors (see below), whose sum is σ = 76583472. Its totient is φ = 18234120.

The previous prime is 40115093. The next prime is 40115143. The reversal of 40115108 is 80151104.

It is a self number, because there is not a number n which added to its sum of digits gives 40115108.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 455810 + ... + 455897.

It is an arithmetic number, because the mean of its divisors is an integer number (6381956).

Almost surely, 2^40115108 is an apocalyptic number.

It is an amenable number.

40115108 is a deficient number, since it is larger than the sum of its proper divisors (36468364).

40115108 is a wasteful number, since it uses less digits than its factorization.

40115108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911722 (or 911720 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 40115108 is about 6333.6488693327. The cubic root of 40115108 is about 342.3229283434.

It can be divided in two parts, 4011 and 5108, that added together give a palindrome (9119).

The spelling of 40115108 in words is "forty million, one hundred fifteen thousand, one hundred eight".