12440227833 has 64 divisors (see below), whose sum is σ = 21184450560. Its totient is φ = 7141305600.

The previous prime is 12440227799. The next prime is 12440227843. The reversal of 12440227833 is 33872204421.

It is a happy number.

It is not a de Polignac number, because 12440227833 - 2⁶ = 12440227769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12440227843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 694753 + ... + 712433.

It is an arithmetic number, because the mean of its divisors is an integer number (331007040).

Almost surely, 2^12440227833 is an apocalyptic number.

It is an amenable number.

12440227833 is a deficient number, since it is larger than the sum of its proper divisors (8744222727).

12440227833 is a wasteful number, since it uses less digits than its factorization.

12440227833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827 (or 17821 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 12440227833 in words is "twelve billion, four hundred forty million, two hundred twenty-seven thousand, eight hundred thirty-three".