80844000000 has 252 divisors, whose sum is σ = 268990150632. Its totient is φ = 21555200000.

The previous prime is 80843999993. The next prime is 80844000019. The reversal of 80844000000 is 44808.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11996632 + ... + 12003368.

Almost surely, 2^80844000000 is an apocalyptic number.

80844000000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80844000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134495075316).

80844000000 is an abundant number, since it is smaller than the sum of its proper divisors (188146150632).

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

80844000000 is an frugal number, since it uses more digits than its factorization.

80844000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786 (or 6747 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 80844000000 its reverse (44808), we get a palindrome (80844044808).

The spelling of 80844000000 in words is "eighty billion, eight hundred forty-four million", and thus it is an aban number.