244421234321 has 32 divisors (see below), whose sum is σ = 273327581952. Its totient is φ = 218526000000.

The previous prime is 244421234303. The next prime is 244421234353. The reversal of 244421234321 is 123432124442.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-244421234321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244421234621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20293061 + ... + 20305101.

It is an arithmetic number, because the mean of its divisors is an integer number (8541486936).

Almost surely, 2^244421234321 is an apocalyptic number.

It is an amenable number.

244421234321 is a deficient number, since it is larger than the sum of its proper divisors (28906347631).

244421234321 is a wasteful number, since it uses less digits than its factorization.

244421234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12326 (or 12304 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 244421234321 its reverse (123432124442), we get a palindrome (367853358763).

The spelling of 244421234321 in words is "two hundred forty-four billion, four hundred twenty-one million, two hundred thirty-four thousand, three hundred twenty-one".