805243342508 has 24 divisors (see below), whose sum is σ = 1548342344640. Its totient is φ = 363386463120.

The previous prime is 805243342493. The next prime is 805243342511.

It is a happy number.

805243342508 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65824766 + ... + 65836997.

It is an arithmetic number, because the mean of its divisors is an integer number (64514264360).

Almost surely, 2^805243342508 is an apocalyptic number.

It is an amenable number.

805243342508 is a deficient number, since it is larger than the sum of its proper divisors (743099002132).

805243342508 is a wasteful number, since it uses less digits than its factorization.

805243342508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131661917 (or 131661915 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 805243342508 in words is "eight hundred five billion, two hundred forty-three million, three hundred forty-two thousand, five hundred eight".