2828500000 has 84 divisors (see below), whose sum is σ = 6961903074. Its totient is φ = 1131200000.

The previous prime is 2828499913. The next prime is 2828500009. The reversal of 2828500000 is 58282.

It can be written as a sum of positive squares in 7 ways, for example, as 2129637904 + 698862096 = 46148^2 + 26436^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2828500009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 497172 + ... + 502828.

Almost surely, 2^2828500000 is an apocalyptic number.

2828500000 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 2828500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480951537).

2828500000 is an abundant number, since it is smaller than the sum of its proper divisors (4133403074).

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

2828500000 is an frugal number, since it uses more digits than its factorization.

2828500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 2828500000 is about 53183.6441022990. The cubic root of 2828500000 is about 1414.2257081444.

Adding to 2828500000 its reverse (58282), we get a palindrome (2828558282).

The spelling of 2828500000 in words is "two billion, eight hundred twenty-eight million, five hundred thousand".