2828451220 has 96 divisors (see below), whose sum is σ = 7173734400. Its totient is φ = 915767424.

The previous prime is 2828451179. The next prime is 2828451257. The reversal of 2828451220 is 221548282.

2828451220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248821 + ... + 259939.

It is an arithmetic number, because the mean of its divisors is an integer number (74726400).

Almost surely, 2^2828451220 is an apocalyptic number.

2828451220 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 2828451220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3586867200).

2828451220 is an abundant number, since it is smaller than the sum of its proper divisors (4345283180).

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

2828451220 is a wasteful number, since it uses less digits than its factorization.

2828451220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237 (or 11235 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 2828451220 is about 53183.1855006825. The cubic root of 2828451220 is about 1414.2175782373.

The spelling of 2828451220 in words is "two billion, eight hundred twenty-eight million, four hundred fifty-one thousand, two hundred twenty".