40919091000091 has 8 divisors (see below), whose sum is σ = 40998693328880. Its totient is φ = 40839532211808.

The previous prime is 40919091000083. The next prime is 40919091000131. The reversal of 40919091000091 is 19000019091904.

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 40919091000091 - 2³ = 40919091000083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40919091000001) 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, 9003396 + ... + 12763201.

It is an arithmetic number, because the mean of its divisors is an integer number (5124836666110).

Almost surely, 2^{40919091000091} is an apocalyptic number.

40919091000091 is a deficient number, since it is larger than the sum of its proper divisors (79602328789).

40919091000091 is a wasteful number, since it uses less digits than its factorization.

40919091000091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21770253.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 40919091000091 in words is "forty trillion, nine hundred nineteen billion, ninety-one million, ninety-one", and thus it is an aban number.