2828280380 has 24 divisors (see below), whose sum is σ = 6028039248. Its totient is φ = 1114426368.

The previous prime is 2828280379. The next prime is 2828280383. The reversal of 2828280380 is 830828282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828280383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053989 + ... + 1056668.

It is an arithmetic number, because the mean of its divisors is an integer number (251168302).

Almost surely, 2^2828280380 is an apocalyptic number.

2828280380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828280380 is an abundant number, since it is smaller than the sum of its proper divisors (3199758868).

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

2828280380 is a wasteful number, since it uses less digits than its factorization.

2828280380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110733 (or 2110731 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 2828280380 is about 53181.5793296890. The cubic root of 2828280380 is about 1414.1891044924.

The spelling of 2828280380 in words is "two billion, eight hundred twenty-eight million, two hundred eighty thousand, three hundred eighty".