80840044048 has 10 divisors (see below), whose sum is σ = 156627585374. Its totient is φ = 40420022016.

The previous prime is 80840043923. The next prime is 80840044049. The reversal of 80840044048 is 84044004808.

It can be written as a sum of positive squares in only one way, i.e., 75192220944 + 5647823104 = 274212^2 + 75152^2 .

It is a super-2 number, since 2×80840044048² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80840044048.

It is not an unprimeable number, because it can be changed into a prime (80840044049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526251361 + ... + 2526251392.

Almost surely, 2^80840044048 is an apocalyptic number.

It is an amenable number.

80840044048 is a deficient number, since it is larger than the sum of its proper divisors (75787541326).

80840044048 is a wasteful number, since it uses less digits than its factorization.

80840044048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052502761 (or 5052502755 counting only the distinct ones).

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

The spelling of 80840044048 in words is "eighty billion, eight hundred forty million, forty-four thousand, forty-eight".