2445687216 has 240 divisors, whose sum is σ = 8431841280. Its totient is φ = 676045440.

The previous prime is 2445687197. The next prime is 2445687217. The reversal of 2445687216 is 6127865442.

2445687216 is a `hidden beast` number, since 2 + 4 + 4 + 568 + 72 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (2445687217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 654345 + ... + 658071.

It is an arithmetic number, because the mean of its divisors is an integer number (35132672).

Almost surely, 2^2445687216 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 2445687216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4215920640).

2445687216 is an abundant number, since it is smaller than the sum of its proper divisors (5986154064).

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

2445687216 is a wasteful number, since it uses less digits than its factorization.

2445687216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3770 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2445687216 is about 49453.8897964558. The cubic root of 2445687216 is about 1347.3082562948.

The spelling of 2445687216 in words is "two billion, four hundred forty-five million, six hundred eighty-seven thousand, two hundred sixteen".