800040436408 has 8 divisors (see below), whose sum is σ = 1500075818280. Its totient is φ = 400020218200.

The previous prime is 800040436361. The next prime is 800040436487. The reversal of 800040436408 is 804634040008.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50002527268 + ... + 50002527283.

It is an arithmetic number, because the mean of its divisors is an integer number (187509477285).

Almost surely, 2^800040436408 is an apocalyptic number.

It is an amenable number.

800040436408 is a deficient number, since it is larger than the sum of its proper divisors (700035381872).

800040436408 is a wasteful number, since it uses less digits than its factorization.

800040436408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100005054557 (or 100005054553 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 800040436408 in words is "eight hundred billion, forty million, four hundred thirty-six thousand, four hundred eight".