2820538486896 has 160 divisors (see below), whose sum is σ = 8290179394560. Its totient is φ = 820103273472.

The previous prime is 2820538486889. The next prime is 2820538486907. The reversal of 2820538486896 is 6986848350282.

It is a self number, because there is not a number n which added to its sum of digits gives 2820538486896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807630 + ... + 2508653.

It is an arithmetic number, because the mean of its divisors is an integer number (51813621216).

Almost surely, 2^{2820538486896} is an apocalyptic number.

2820538486896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2820538486896 is an abundant number, since it is smaller than the sum of its proper divisors (5469640907664).

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

2820538486896 is a wasteful number, since it uses less digits than its factorization.

2820538486896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316383 (or 3316377 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 69.

The spelling of 2820538486896 in words is "two trillion, eight hundred twenty billion, five hundred thirty-eight million, four hundred eighty-six thousand, eight hundred ninety-six".