2216279439360 has 2016 divisors, whose sum is σ = 9515052303120. Its totient is φ = 493618987008.

The previous prime is 2216279439349. The next prime is 2216279439419. The reversal of 2216279439360 is 639349726122.

2216279439360 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 279 + 4 + 3 + 9 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2216279439297 and 2216279439306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 26702161879 + ... + 26702161961.

Almost surely, 2^{2216279439360} is an apocalyptic number.

2216279439360 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 2216279439360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4757526151560).

2216279439360 is an abundant number, since it is smaller than the sum of its proper divisors (7298772863760).

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

2216279439360 is an frugal number, since it uses more digits than its factorization.

2216279439360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 2216279439360 in words is "two trillion, two hundred sixteen billion, two hundred seventy-nine million, four hundred thirty-nine thousand, three hundred sixty".