808144040001 has 4 divisors (see below), whose sum is σ = 1077525386672. Its totient is φ = 538762693332.

The previous prime is 808144039999. The next prime is 808144040009. The reversal of 808144040001 is 100040441808.

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 not a de Polignac number, because 808144040001 - 2¹ = 808144039999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (808144040009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134690673331 + ... + 134690673336.

It is an arithmetic number, because the mean of its divisors is an integer number (269381346668).

Almost surely, 2^808144040001 is an apocalyptic number.

It is an amenable number.

808144040001 is a deficient number, since it is larger than the sum of its proper divisors (269381346671).

808144040001 is a wasteful number, since it uses less digits than its factorization.

808144040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269381346670.

The product of its (nonzero) digits is 4096, while the sum is 30.

Adding to 808144040001 its reverse (100040441808), we get a palindrome (908184481809).

The spelling of 808144040001 in words is "eight hundred eight billion, one hundred forty-four million, forty thousand, one".