40107091 has 8 divisors (see below), whose sum is σ = 40632768. Its totient is φ = 39585000.

The previous prime is 40107077. The next prime is 40107127. The reversal of 40107091 is 19070104.

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

It is a cyclic number.

It is not a de Polignac number, because 40107091 - 2⁵ = 40107059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40107191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26916 + ... + 28366.

It is an arithmetic number, because the mean of its divisors is an integer number (5079096).

Almost surely, 2^40107091 is an apocalyptic number.

40107091 is a deficient number, since it is larger than the sum of its proper divisors (525677).

40107091 is a wasteful number, since it uses less digits than its factorization.

40107091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 40107091 is about 6333.0159481877. The cubic root of 40107091 is about 342.3001224240.

Adding to 40107091 its reverse (19070104), we get a palindrome (59177195).

The spelling of 40107091 in words is "forty million, one hundred seven thousand, ninety-one".