2102800005288 has 96 divisors (see below), whose sum is σ = 5754507595200. Its totient is φ = 693652032000.

The previous prime is 2102800005197. The next prime is 2102800005323. The reversal of 2102800005288 is 8825000082012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2774688 + ... + 3450288.

It is an arithmetic number, because the mean of its divisors is an integer number (59942787450).

Almost surely, 2^{2102800005288} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102800005288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2877253797600).

2102800005288 is an abundant number, since it is smaller than the sum of its proper divisors (3651707589912).

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

2102800005288 is a wasteful number, since it uses less digits than its factorization.

2102800005288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676063 (or 676056 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 2102800005288 in words is "two trillion, one hundred two billion, eight hundred million, five thousand, two hundred eighty-eight".