244140000321 has 16 divisors (see below), whose sum is σ = 376505063424. Its totient is φ = 137827744464.

The previous prime is 244140000259. The next prime is 244140000323. The reversal of 244140000321 is 123000041442.

It is not a de Polignac number, because 244140000321 - 2⁷ = 244140000193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (244140000323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70032681 + ... + 70036166.

It is an arithmetic number, because the mean of its divisors is an integer number (23531566464).

Almost surely, 2^244140000321 is an apocalyptic number.

244140000321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244140000321 is a deficient number, since it is larger than the sum of its proper divisors (132365063103).

244140000321 is a wasteful number, since it uses less digits than its factorization.

244140000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140068940.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 244140000321 its reverse (123000041442), we get a palindrome (367140041763).

The spelling of 244140000321 in words is "two hundred forty-four billion, one hundred forty million, three hundred twenty-one", and thus it is an aban number.