80446041648 has 600 divisors, whose sum is σ = 290042023920. Its totient is φ = 21398307840.

The previous prime is 80446041623. The next prime is 80446041653. The reversal of 80446041648 is 84614064408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 73600590 + ... + 73601682.

Almost surely, 2^80446041648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80446041648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145021011960).

80446041648 is an abundant number, since it is smaller than the sum of its proper divisors (209595982272).

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

80446041648 is a wasteful number, since it uses less digits than its factorization.

80446041648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 80446041648 in words is "eighty billion, four hundred forty-six million, forty-one thousand, six hundred forty-eight".