80791226490 has 128 divisors (see below), whose sum is σ = 212300766720. Its totient is φ = 19556646912.

The previous prime is 80791226489. The next prime is 80791226491. The reversal of 80791226490 is 9462219708.

It is an interprime number because it is at equal distance from previous prime (80791226489) and next prime (80791226491).

It is not an unprimeable number, because it can be changed into a prime (80791226491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10045891 + ... + 10053929.

It is an arithmetic number, because the mean of its divisors is an integer number (1658599740).

Almost surely, 2^80791226490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80791226490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106150383360).

80791226490 is an abundant number, since it is smaller than the sum of its proper divisors (131509540230).

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

80791226490 is a wasteful number, since it uses less digits than its factorization.

80791226490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 80791226490 in words is "eighty billion, seven hundred ninety-one million, two hundred twenty-six thousand, four hundred ninety".