80841309120 has 896 divisors, whose sum is σ = 341034624000. Its totient is φ = 17767710720.

The previous prime is 80841309119. The next prime is 80841309151. The reversal of 80841309120 is 2190314808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 72895126 + ... + 72896234.

It is an arithmetic number, because the mean of its divisors is an integer number (380619000).

Almost surely, 2^80841309120 is an apocalyptic number.

80841309120 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 80841309120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170517312000).

80841309120 is an abundant number, since it is smaller than the sum of its proper divisors (260193314880).

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

80841309120 is a wasteful number, since it uses less digits than its factorization.

80841309120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 80841309120 in words is "eighty billion, eight hundred forty-one million, three hundred nine thousand, one hundred twenty".