800840221080 has 128 divisors (see below), whose sum is σ = 2582777318400. Its totient is φ = 198012874752.

The previous prime is 800840221067. The next prime is 800840221109. The reversal of 800840221080 is 80122048008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3629497 + ... + 3843816.

It is an arithmetic number, because the mean of its divisors is an integer number (20177947800).

Almost surely, 2^800840221080 is an apocalyptic number.

It is an amenable number.

800840221080 is an abundant number, since it is smaller than the sum of its proper divisors (1781937097320).

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

800840221080 is a wasteful number, since it uses less digits than its factorization.

800840221080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473393 (or 7473389 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

Adding to 800840221080 its reverse (80122048008), we get a palindrome (880962269088).

The spelling of 800840221080 in words is "eight hundred billion, eight hundred forty million, two hundred twenty-one thousand, eighty".