800045816 has 8 divisors (see below), whose sum is σ = 1500085920. Its totient is φ = 400022904.

The previous prime is 800045803. The next prime is 800045819. The reversal of 800045816 is 618540008.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800045819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50002856 + ... + 50002871.

It is an arithmetic number, because the mean of its divisors is an integer number (187510740).

Almost surely, 2^800045816 is an apocalyptic number.

It is an amenable number.

800045816 is a deficient number, since it is larger than the sum of its proper divisors (700040104).

800045816 is a wasteful number, since it uses less digits than its factorization.

800045816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100005733 (or 100005729 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 800045816 is about 28285.0811559734. The cubic root of 800045816 is about 928.3354879704.

The spelling of 800045816 in words is "eight hundred million, forty-five thousand, eight hundred sixteen".