2455212216 has 96 divisors (see below), whose sum is σ = 6542784000. Its totient is φ = 767614464.

The previous prime is 2455212197. The next prime is 2455212217. The reversal of 2455212216 is 6122125542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455212217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3321975 + ... + 3322713.

It is an arithmetic number, because the mean of its divisors is an integer number (68154000).

Almost surely, 2^2455212216 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 2455212216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3271392000).

2455212216 is an abundant number, since it is smaller than the sum of its proper divisors (4087571784).

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

2455212216 is a wasteful number, since it uses less digits than its factorization.

2455212216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1240 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2455212216 is about 49550.0980422844. The cubic root of 2455212216 is about 1349.0550709896.

Adding to 2455212216 its reverse (6122125542), we get a palindrome (8577337758).

The spelling of 2455212216 in words is "two billion, four hundred fifty-five million, two hundred twelve thousand, two hundred sixteen".