344321140220 has 12 divisors (see below), whose sum is σ = 723074394504. Its totient is φ = 137728456080.

The previous prime is 344321140217. The next prime is 344321140279. The reversal of 344321140220 is 22041123443.

It is a self number, because there is not a number n which added to its sum of digits gives 344321140220.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8608028486 + ... + 8608028525.

It is an arithmetic number, because the mean of its divisors is an integer number (60256199542).

Almost surely, 2^344321140220 is an apocalyptic number.

It is an amenable number.

344321140220 is an abundant number, since it is smaller than the sum of its proper divisors (378753254284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344321140220 is a wasteful number, since it uses less digits than its factorization.

344321140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17216057020 (or 17216057018 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 344321140220 its reverse (22041123443), we get a palindrome (366362263663).

The spelling of 344321140220 in words is "three hundred forty-four billion, three hundred twenty-one million, one hundred forty thousand, two hundred twenty".