244322320421 has 8 divisors (see below), whose sum is σ = 249602171520. Its totient is φ = 239045865408.

The previous prime is 244322320393. The next prime is 244322320423. The reversal of 244322320421 is 124023223442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244322320421 - 2⁶ = 244322320357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244322320423) 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, 703316 + ... + 991613.

It is an arithmetic number, because the mean of its divisors is an integer number (31200271440).

Almost surely, 2^244322320421 is an apocalyptic number.

It is an amenable number.

244322320421 is a deficient number, since it is larger than the sum of its proper divisors (5279851099).

244322320421 is a wasteful number, since it uses less digits than its factorization.

244322320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698043.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 244322320421 its reverse (124023223442), we get a palindrome (368345543863).

The spelling of 244322320421 in words is "two hundred forty-four billion, three hundred twenty-two million, three hundred twenty thousand, four hundred twenty-one".