840245082 has 8 divisors (see below), whose sum is σ = 1680490176. Its totient is φ = 280081692.

The previous prime is 840245047. The next prime is 840245089. The reversal of 840245082 is 280542048.

It is a happy number.

840245082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

840245082 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (840245089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70020418 + ... + 70020429.

It is an arithmetic number, because the mean of its divisors is an integer number (210061272).

Almost surely, 2^840245082 is an apocalyptic number.

840245082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

840245082 is a wasteful number, since it uses less digits than its factorization.

840245082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140040852.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 840245082 is about 28986.9812502095. The cubic root of 840245082 is about 943.6305507813.

The spelling of 840245082 in words is "eight hundred forty million, two hundred forty-five thousand, eighty-two".