84081412800000 has 5760 divisors, whose sum is σ = 414564676162560. Its totient is φ = 16605388800000.

The previous prime is 84081412799999. The next prime is 84081412800037. The reversal of 84081412800000 is 821418048.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (5760).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 535550399922 + ... + 535550400078.

It is an arithmetic number, because the mean of its divisors is an integer number (71973034056).

Almost surely, 2^{84081412800000} is an apocalyptic number.

84081412800000 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 84081412800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207282338081280).

84081412800000 is an abundant number, since it is smaller than the sum of its proper divisors (330483263362560).

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

84081412800000 is a wasteful number, since it uses less digits than its factorization.

84081412800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The spelling of 84081412800000 in words is "eighty-four trillion, eighty-one billion, four hundred twelve million, eight hundred thousand".