2808818947632 has 30 divisors (see below), whose sum is σ = 7256145610812. Its totient is φ = 936269112096.

The previous prime is 2808818947631. The next prime is 2808818947657. The reversal of 2808818947632 is 2367498188082.

It is not an unprimeable number, because it can be changed into a prime (2808818947631) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11490393 + ... + 11732295.

Almost surely, 2^{2808818947632} is an apocalyptic number.

It is an amenable number.

2808818947632 is an abundant number, since it is smaller than the sum of its proper divisors (4447326663180).

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

2808818947632 is an frugal number, since it uses more digits than its factorization.

2808818947632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483817 (or 241908 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 66.

The spelling of 2808818947632 in words is "two trillion, eight hundred eight billion, eight hundred eighteen million, nine hundred forty-seven thousand, six hundred thirty-two".