2821048215700 has 144 divisors (see below), whose sum is σ = 7208522750016. Its totient is φ = 944736307200.

The previous prime is 2821048215659. The next prime is 2821048215803. The reversal of 2821048215700 is 75128401282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5964099 + ... + 6419701.

It is an arithmetic number, because the mean of its divisors is an integer number (50059185764).

Almost surely, 2^{2821048215700} is an apocalyptic number.

2821048215700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2821048215700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3604261375008).

2821048215700 is an abundant number, since it is smaller than the sum of its proper divisors (4387474534316).

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

2821048215700 is a wasteful number, since it uses less digits than its factorization.

2821048215700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456074 (or 456067 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 2821048215700 in words is "two trillion, eight hundred twenty-one billion, forty-eight million, two hundred fifteen thousand, seven hundred".