2146218448 has 80 divisors (see below), whose sum is σ = 4933237824. Its totient is φ = 893306880.

The previous prime is 2146218439. The next prime is 2146218463. The reversal of 2146218448 is 8448126412.

It is a self number, because there is not a number n which added to its sum of digits gives 2146218448.

It is a congruent number.

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, 101011 + ... + 120397.

Almost surely, 2^2146218448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146218448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2466618912).

2146218448 is an abundant number, since it is smaller than the sum of its proper divisors (2787019376).

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

2146218448 is a wasteful number, since it uses less digits than its factorization.

2146218448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19460 (or 19454 counting only the distinct ones).

The product of its digits is 98304, while the sum is 40.

The square root of 2146218448 is about 46327.2970072721. The cubic root of 2146218448 is about 1289.9057375587.

The spelling of 2146218448 in words is "two billion, one hundred forty-six million, two hundred eighteen thousand, four hundred forty-eight".