2840216280 has 192 divisors, whose sum is σ = 9609062400. Its totient is φ = 666028800.

The previous prime is 2840216279. The next prime is 2840216287. The reversal of 2840216280 is 826120482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840216287) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1267401 + ... + 1269639.

It is an arithmetic number, because the mean of its divisors is an integer number (50047200).

Almost surely, 2^2840216280 is an apocalyptic number.

2840216280 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 2840216280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4804531200).

2840216280 is an abundant number, since it is smaller than the sum of its proper divisors (6768846120).

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

2840216280 is a wasteful number, since it uses less digits than its factorization.

2840216280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2840216280 is about 53293.6795502056. The cubic root of 2840216280 is about 1416.1756979788.

The spelling of 2840216280 in words is "two billion, eight hundred forty million, two hundred sixteen thousand, two hundred eighty".