2816998380 has 144 divisors (see below), whose sum is σ = 9780773184. Its totient is φ = 642885120.

The previous prime is 2816998369. The next prime is 2816998391. The reversal of 2816998380 is 838996182.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2816998369) and next prime (2816998391).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1073470 + ... + 1076090.

It is an arithmetic number, because the mean of its divisors is an integer number (67922036).

Almost surely, 2^2816998380 is an apocalyptic number.

2816998380 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 2816998380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4890386592).

2816998380 is an abundant number, since it is smaller than the sum of its proper divisors (6963774804).

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

2816998380 is a wasteful number, since it uses less digits than its factorization.

2816998380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496 (or 3491 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 2816998380 is about 53075.4027775579. The cubic root of 2816998380 is about 1412.3062002627.

The spelling of 2816998380 in words is "two billion, eight hundred sixteen million, nine hundred ninety-eight thousand, three hundred eighty".