2538840117 has 8 divisors (see below), whose sum is σ = 3692858400. Its totient is φ = 1538690960.

The previous prime is 2538840113. The next prime is 2538840149. The reversal of 2538840117 is 7110488352.

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 2538840117 - 2² = 2538840113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538840113) 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, 38467242 + ... + 38467307.

It is an arithmetic number, because the mean of its divisors is an integer number (461607300).

Almost surely, 2^2538840117 is an apocalyptic number.

It is an amenable number.

2538840117 is a deficient number, since it is larger than the sum of its proper divisors (1154018283).

2538840117 is a wasteful number, since it uses less digits than its factorization.

2538840117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76934563.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 2538840117 is about 50386.9042212359. The cubic root of 2538840117 is about 1364.2012737858.

The spelling of 2538840117 in words is "two billion, five hundred thirty-eight million, eight hundred forty thousand, one hundred seventeen".