109400644322 has 6 divisors (see below), whose sum is σ = 164101668129. Its totient is φ = 54700088280.

The previous prime is 109400644321. The next prime is 109400644343. The reversal of 109400644322 is 223446004901.

It can be written as a sum of positive squares in 2 ways, for example, as 80405706481 + 28994937841 = 283559^2 + 170279^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=233881.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109400644321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 350822 + ... + 584702.

Almost surely, 2^109400644322 is an apocalyptic number.

109400644322 is a deficient number, since it is larger than the sum of its proper divisors (54701023807).

109400644322 is an frugal number, since it uses more digits than its factorization.

109400644322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467764 (or 233883 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 109400644322 in words is "one hundred nine billion, four hundred million, six hundred forty-four thousand, three hundred twenty-two".