80018841600 has 672 divisors, whose sum is σ = 304723800000. Its totient is φ = 20561264640.

The previous prime is 80018841569. The next prime is 80018841619. The reversal of 80018841600 is 614881008.

80018841600 is a `hidden beast` number, since 8 + 0 + 0 + 1 + 8 + 8 + 41 + 600 = 666.

It is a super-2 number, since 2×80018841600² (a number of 23 digits) contains 22 as substring.

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

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 47 ways as a sum of consecutive naturals, for example, 160358151 + ... + 160358649.

Almost surely, 2^80018841600 is an apocalyptic number.

80018841600 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 80018841600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152361900000).

80018841600 is an abundant number, since it is smaller than the sum of its proper divisors (224704958400).

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

80018841600 is a wasteful number, since it uses less digits than its factorization.

80018841600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 80018841600 in words is "eighty billion, eighteen million, eight hundred forty-one thousand, six hundred".