82442820542520 has 32 divisors (see below), whose sum is σ = 247328461627920. Its totient is φ = 21984752144640.

The previous prime is 82442820542477. The next prime is 82442820542531. The reversal of 82442820542520 is 2524502824428.

82442820542520 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 82442820542520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343511752141 + ... + 343511752380.

Almost surely, 2^{82442820542520} is an apocalyptic number.

It is an amenable number.

82442820542520 is an abundant number, since it is smaller than the sum of its proper divisors (164885641085400).

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

82442820542520 is a wasteful number, since it uses less digits than its factorization.

82442820542520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687023504535 (or 687023504531 counting only the distinct ones).

The product of its (nonzero) digits is 3276800, while the sum is 48.

The spelling of 82442820542520 in words is "eighty-two trillion, four hundred forty-two billion, eight hundred twenty million, five hundred forty-two thousand, five hundred twenty".