808440404488 has 8 divisors (see below), whose sum is σ = 1515825758430. Its totient is φ = 404220202240.

The previous prime is 808440404479. The next prime is 808440404489. The reversal of 808440404488 is 884404044808.

It can be written as a sum of positive squares in only one way, i.e., 450479907684 + 357960496804 = 671178^2 + 598298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (808440404489) 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 as a sum of consecutive naturals, namely, 50527525273 + ... + 50527525288.

Almost surely, 2^808440404488 is an apocalyptic number.

It is an amenable number.

808440404488 is a deficient number, since it is larger than the sum of its proper divisors (707385353942).

808440404488 is a wasteful number, since it uses less digits than its factorization.

808440404488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101055050567 (or 101055050563 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The spelling of 808440404488 in words is "eight hundred eight billion, four hundred forty million, four hundred four thousand, four hundred eighty-eight".