82029558840 has 64 divisors (see below), whose sum is σ = 248346410400. Its totient is φ = 21673861632.

The previous prime is 82029558823. The next prime is 82029558883. The reversal of 82029558840 is 4885592028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3122607 + ... + 3148766.

Almost surely, 2^82029558840 is an apocalyptic number.

It is an amenable number.

82029558840 is an abundant number, since it is smaller than the sum of its proper divisors (166316851560).

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

82029558840 is a wasteful number, since it uses less digits than its factorization.

82029558840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271496 (or 6271492 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The spelling of 82029558840 in words is "eighty-two billion, twenty-nine million, five hundred fifty-eight thousand, eight hundred forty".