82402729422 has 64 divisors (see below), whose sum is σ = 184829976576. Its totient is φ = 24319572480.

The previous prime is 82402729417. The next prime is 82402729463. The reversal of 82402729422 is 22492720428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122443 + ... + 424025.

It is an arithmetic number, because the mean of its divisors is an integer number (2887968384).

Almost surely, 2^82402729422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82402729422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92414988288).

82402729422 is an abundant number, since it is smaller than the sum of its proper divisors (102427247154).

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

82402729422 is a wasteful number, since it uses less digits than its factorization.

82402729422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301745.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 82402729422 in words is "eighty-two billion, four hundred two million, seven hundred twenty-nine thousand, four hundred twenty-two".