80109485015040 has 600 divisors, whose sum is σ = 309291105039840. Its totient is φ = 19719236616192.

The previous prime is 80109485014849. The next prime is 80109485015111. The reversal of 80109485015040 is 4051058490108.

It is a happy number.

80109485015040 is a `hidden beast` number, since 8 + 0 + 1 + 0 + 94 + 8 + 50 + 1 + 504 + 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 85797421 + ... + 86726099.

Almost surely, 2^{80109485015040} is an apocalyptic number.

80109485015040 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 80109485015040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154645552519920).

80109485015040 is an abundant number, since it is smaller than the sum of its proper divisors (229181620024800).

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

80109485015040 is an equidigital number, since it uses as much as digits as its factorization.

80109485015040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928737 (or 928702 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 80109485015040 in words is "eighty trillion, one hundred nine billion, four hundred eighty-five million, fifteen thousand, forty".