80559142440000 has 1120 divisors, whose sum is σ = 313383132496896. Its totient is φ = 17872358400000.

The previous prime is 80559142439969. The next prime is 80559142440013. The reversal of 80559142440000 is 4424195508.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13768437075 + ... + 13768442925.

Almost surely, 2^{80559142440000} is an apocalyptic number.

80559142440000 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 80559142440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156691566248448).

80559142440000 is an abundant number, since it is smaller than the sum of its proper divisors (232823990056896).

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

80559142440000 is a wasteful number, since it uses less digits than its factorization.

80559142440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6348 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 80559142440000 in words is "eighty trillion, five hundred fifty-nine billion, one hundred forty-two million, four hundred forty thousand".