80816662002240 has 336 divisors, whose sum is σ = 279727636144320. Its totient is φ = 21415464529920.

The previous prime is 80816662002163. The next prime is 80816662002283. The reversal of 80816662002240 is 4220026661808.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681253651 + ... + 681372269.

It is an arithmetic number, because the mean of its divisors is an integer number (832522726620).

Almost surely, 2^{80816662002240} is an apocalyptic number.

80816662002240 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 80816662002240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139863818072160).

80816662002240 is an abundant number, since it is smaller than the sum of its proper divisors (198910974142080).

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

80816662002240 is a wasteful number, since it uses less digits than its factorization.

80816662002240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120130 (or 120117 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 80816662002240 in words is "eighty trillion, eight hundred sixteen billion, six hundred sixty-two million, two thousand, two hundred forty".