2144016620 has 48 divisors (see below), whose sum is σ = 4773619200. Its totient is φ = 806604480.

The previous prime is 2144016617. The next prime is 2144016653. The reversal of 2144016620 is 266104412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144016620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32525 + ... + 73115.

It is an arithmetic number, because the mean of its divisors is an integer number (99450400).

Almost surely, 2^2144016620 is an apocalyptic number.

2144016620 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 2144016620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2386809600).

2144016620 is an abundant number, since it is smaller than the sum of its proper divisors (2629602580).

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

2144016620 is a wasteful number, since it uses less digits than its factorization.

2144016620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40758 (or 40756 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2144016620 is about 46303.5270794785. The cubic root of 2144016620 is about 1289.4644773546.

The spelling of 2144016620 in words is "two billion, one hundred forty-four million, sixteen thousand, six hundred twenty".