80004844840 has 16 divisors (see below), whose sum is σ = 180010900980. Its totient is φ = 32001937920.

The previous prime is 80004844793. The next prime is 80004844861. The reversal of 80004844840 is 4844840008.

It can be written as a sum of positive squares in 2 ways, for example, as 71392633636 + 8612211204 = 267194^2 + 92802^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2000121121 = 80004844840 / (8 + 0 + 0 + 0 + 4 + 8 + 4 + 4 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 80004844793 and 80004844802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000060521 + ... + 1000060600.

Almost surely, 2^80004844840 is an apocalyptic number.

It is an amenable number.

80004844840 is an abundant number, since it is smaller than the sum of its proper divisors (100006056140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80004844840 is a wasteful number, since it uses less digits than its factorization.

80004844840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000121132 (or 2000121128 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 80004844840 in words is "eighty billion, four million, eight hundred forty-four thousand, eight hundred forty".