2256240012 has 48 divisors (see below), whose sum is σ = 5688114432. Its totient is φ = 691951680.

The previous prime is 2256240011. The next prime is 2256240013. The reversal of 2256240012 is 2100426522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2256240011) and next prime (2256240013).

It is not an unprimeable number, because it can be changed into a prime (2256240011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24337 + ... + 71447.

It is an arithmetic number, because the mean of its divisors is an integer number (118502384).

Almost surely, 2^2256240012 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 2256240012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844057216).

2256240012 is an abundant number, since it is smaller than the sum of its proper divisors (3431874420).

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

2256240012 is a wasteful number, since it uses less digits than its factorization.

2256240012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47438 (or 47436 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2256240012 is about 47499.8948630415. The cubic root of 2256240012 is about 1311.5809462234.

Adding to 2256240012 its reverse (2100426522), we get a palindrome (4356666534).

The spelling of 2256240012 in words is "two billion, two hundred fifty-six million, two hundred forty thousand, twelve".