248040144817 has 4 divisors (see below), whose sum is σ = 248687769600. Its totient is φ = 247392520036.

The previous prime is 248040144763. The next prime is 248040144827. The reversal of 248040144817 is 718441040842.

248040144817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248040144817 - 2¹¹ = 248040142769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248040144827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323811817 + ... + 323812582.

It is an arithmetic number, because the mean of its divisors is an integer number (62171942400).

Almost surely, 2^248040144817 is an apocalyptic number.

It is an amenable number.

248040144817 is a deficient number, since it is larger than the sum of its proper divisors (647624783).

248040144817 is an equidigital number, since it uses as much as digits as its factorization.

248040144817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647624782.

The product of its (nonzero) digits is 229376, while the sum is 43.

The spelling of 248040144817 in words is "two hundred forty-eight billion, forty million, one hundred forty-four thousand, eight hundred seventeen".