12455044256 has 48 divisors (see below), whose sum is σ = 25112102400. Its totient is φ = 6077611008.

The previous prime is 12455044253. The next prime is 12455044267. The reversal of 12455044256 is 65244055421.

It is not an unprimeable number, because it can be changed into a prime (12455044253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045825 + ... + 2051903.

It is an arithmetic number, because the mean of its divisors is an integer number (523168800).

Almost surely, 2^12455044256 is an apocalyptic number.

12455044256 is a gapful number since it is divisible by the number (16) 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 12455044256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12556051200).

12455044256 is an abundant number, since it is smaller than the sum of its proper divisors (12657058144).

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

12455044256 is a wasteful number, since it uses less digits than its factorization.

12455044256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621 (or 7613 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 12455044256 its reverse (65244055421), we get a palindrome (77699099677).

The spelling of 12455044256 in words is "twelve billion, four hundred fifty-five million, forty-four thousand, two hundred fifty-six".