79981524480000 has 2080 divisors, whose sum is σ = 329639568572160. Its totient is φ = 16951541760000.

The previous prime is 79981524479993. The next prime is 79981524480017. The reversal of 79981524480000 is 8442518997.

It is a tau number, because it is divible by the number of its divisors (2080).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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 159 ways as a sum of consecutive naturals, for example, 20866558084 + ... + 20866561916.

Almost surely, 2^{79981524480000} 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 79981524480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164819784286080).

79981524480000 is an abundant number, since it is smaller than the sum of its proper divisors (249658044092160).

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

79981524480000 is a wasteful number, since it uses less digits than its factorization.

79981524480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

Adding to 79981524480000 its reverse (8442518997), we get a palindrome (79989966998997).

The spelling of 79981524480000 in words is "seventy-nine trillion, nine hundred eighty-one billion, five hundred twenty-four million, four hundred eighty thousand".