40107908 has 12 divisors (see below), whose sum is σ = 70884492. Its totient is φ = 19855200.

The previous prime is 40107871. The next prime is 40107911. The reversal of 40107908 is 80970104.

It can be written as a sum of positive squares in 2 ways, for example, as 18130564 + 21977344 = 4258^2 + 4688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49235 + ... + 50042.

It is an arithmetic number, because the mean of its divisors is an integer number (5907041).

Almost surely, 2^40107908 is an apocalyptic number.

It is an amenable number.

40107908 is a deficient number, since it is larger than the sum of its proper divisors (30776584).

40107908 is a wasteful number, since it uses less digits than its factorization.

40107908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99382 (or 99380 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 40107908 is about 6333.0804510917. The cubic root of 40107908 is about 342.3024466788.

The spelling of 40107908 in words is "forty million, one hundred seven thousand, nine hundred eight".