80844521472000 has 3648 divisors, whose sum is σ = 360111382944768. Its totient is φ = 17836277760000.

The previous prime is 80844521471899. The next prime is 80844521472133. The reversal of 80844521472000 is 27412544808.

80844521472000 is a `hidden beast` number, since 8 + 0 + 84 + 4 + 521 + 47 + 2 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1138655231965 + ... + 1138655232035.

Almost surely, 2^{80844521472000} is an apocalyptic number.

80844521472000 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 80844521472000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180055691472384).

80844521472000 is an abundant number, since it is smaller than the sum of its proper divisors (279266861472768).

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

80844521472000 is an frugal number, since it uses more digits than its factorization.

80844521472000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 80844521472000 in words is "eighty trillion, eight hundred forty-four billion, five hundred twenty-one million, four hundred seventy-two thousand".