40538093797 has 8 divisors (see below), whose sum is σ = 40789125216. Its totient is φ = 40287698352.

The previous prime is 40538093749. The next prime is 40538093873. The reversal of 40538093797 is 79739083504.

It is a happy number.

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 40538093797 - 2⁷ = 40538093669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40538090797) 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, 30798 + ... + 286399.

It is an arithmetic number, because the mean of its divisors is an integer number (5098640652).

Almost surely, 2^40538093797 is an apocalyptic number.

It is an amenable number.

40538093797 is a deficient number, since it is larger than the sum of its proper divisors (251031419).

40538093797 is a wasteful number, since it uses less digits than its factorization.

40538093797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317987.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 40538093797 in words is "forty billion, five hundred thirty-eight million, ninety-three thousand, seven hundred ninety-seven".