2830881280 has 40 divisors (see below), whose sum is σ = 6787486332. Its totient is φ = 1132351488.

The previous prime is 2830881233. The next prime is 2830881329. The reversal of 2830881280 is 821880382.

It can be written as a sum of positive squares in 2 ways, for example, as 2685726976 + 145154304 = 51824^2 + 12048^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550347 + ... + 555466.

Almost surely, 2^2830881280 is an apocalyptic number.

2830881280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2830881280 is an abundant number, since it is smaller than the sum of its proper divisors (3956605052).

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

2830881280 is an equidigital number, since it uses as much as digits as its factorization.

2830881280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105836 (or 1105820 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 2830881280 is about 53206.0267263024. The cubic root of 2830881280 is about 1414.6224700052.

The spelling of 2830881280 in words is "two billion, eight hundred thirty million, eight hundred eighty-one thousand, two hundred eighty".