2796280980 has 96 divisors (see below), whose sum is σ = 8027873280. Its totient is φ = 726917760.

The previous prime is 2796280973. The next prime is 2796281009. The reversal of 2796280980 is 890826972.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762391 + ... + 766049.

It is an arithmetic number, because the mean of its divisors is an integer number (83623680).

Almost surely, 2^2796280980 is an apocalyptic number.

2796280980 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 2796280980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4013936640).

2796280980 is an abundant number, since it is smaller than the sum of its proper divisors (5231592300).

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

2796280980 is a wasteful number, since it uses less digits than its factorization.

2796280980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989 (or 3987 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 2796280980 is about 52879.8731087736. The cubic root of 2796280980 is about 1408.8354450486.

The spelling of 2796280980 in words is "two billion, seven hundred ninety-six million, two hundred eighty thousand, nine hundred eighty".