2220004040256 has 42 divisors (see below), whose sum is σ = 6363240748982. Its totient is φ = 740001346560.

The previous prime is 2220004040249. The next prime is 2220004040279. The reversal of 2220004040256 is 6520404000222.

It is a happy number.

2220004040256 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 0 + 0 + 404 + 0 + 256 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2213501230656 + 6502809600 = 1487784^2 + 80640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1927086265 + ... + 1927087416.

Almost surely, 2^{2220004040256} is an apocalyptic number.

It is an amenable number.

2220004040256 is an abundant number, since it is smaller than the sum of its proper divisors (4143236708726).

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

2220004040256 is a wasteful number, since it uses less digits than its factorization.

2220004040256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854173699 (or 3854173686 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 2220004040256 its reverse (6520404000222), we get a palindrome (8740408040478).

The spelling of 2220004040256 in words is "two trillion, two hundred twenty billion, four million, forty thousand, two hundred fifty-six".