82240120992 has 48 divisors (see below), whose sum is σ = 228579164352. Its totient is φ = 25800821760.

The previous prime is 82240120981. The next prime is 82240121011. The reversal of 82240120992 is 29902104228.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 82240120992.

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, 25194484 + ... + 25197747.

It is an arithmetic number, because the mean of its divisors is an integer number (4762065924).

Almost surely, 2^82240120992 is an apocalyptic number.

It is an amenable number.

82240120992 is an abundant number, since it is smaller than the sum of its proper divisors (146339043360).

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

82240120992 is a wasteful number, since it uses less digits than its factorization.

82240120992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50392261 (or 50392253 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 82240120992 in words is "eighty-two billion, two hundred forty million, one hundred twenty thousand, nine hundred ninety-two".