1080000080 has 80 divisors (see below), whose sum is σ = 2574478080. Its totient is φ = 421185024.

The previous prime is 1080000023. The next prime is 1080000091. The reversal of 1080000080 is 800000801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758249 + ... + 759671.

It is an arithmetic number, because the mean of its divisors is an integer number (32180976).

Almost surely, 2^1080000080 is an apocalyptic number.

1080000080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1080000080 is the 18974-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080000080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287239040).

1080000080 is an abundant number, since it is smaller than the sum of its proper divisors (1494478000).

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

1080000080 is a wasteful number, since it uses less digits than its factorization.

1080000080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1080000080 is about 32863.3546674712. The cubic root of 1080000080 is about 1025.9855933390.

Adding to 1080000080 its reverse (800000801), we get a palindrome (1880000881).

The spelling of 1080000080 in words is "one billion, eighty million, eighty", and thus it is an aban number and an uban number.