80049291280 has 160 divisors (see below), whose sum is σ = 225828117504. Its totient is φ = 25760636928.

The previous prime is 80049291233. The next prime is 80049291313. The reversal of 80049291280 is 8219294008.

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 31 ways as a sum of consecutive naturals, for example, 3539689 + ... + 3562231.

Almost surely, 2^80049291280 is an apocalyptic number.

80049291280 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 80049291280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112914058752).

80049291280 is an abundant number, since it is smaller than the sum of its proper divisors (145778826224).

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

80049291280 is a wasteful number, since it uses less digits than its factorization.

80049291280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22953 (or 22947 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 80049291280 in words is "eighty billion, forty-nine million, two hundred ninety-one thousand, two hundred eighty".