80654484140 has 144 divisors (see below), whose sum is σ = 185300396064. Its totient is φ = 29464780800.

The previous prime is 80654484133. The next prime is 80654484227. The reversal of 80654484140 is 4148445608.

It is a junction number, because it is equal to n+sod(n) for n = 80654484091 and 80654484100.

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, 50001974 + ... + 50003586.

It is an arithmetic number, because the mean of its divisors is an integer number (1286808306).

Almost surely, 2^80654484140 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 80654484140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92650198032).

80654484140 is an abundant number, since it is smaller than the sum of its proper divisors (104645911924).

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

80654484140 is a wasteful number, since it uses less digits than its factorization.

80654484140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 80654484140 in words is "eighty billion, six hundred fifty-four million, four hundred eighty-four thousand, one hundred forty".