344204344130440 has 32 divisors (see below), whose sum is σ = 792470466722880. Its totient is φ = 134479836775872.

The previous prime is 344204344130377. The next prime is 344204344130473. The reversal of 344204344130440 is 44031443402443.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 344204344130393 and 344204344130402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100059400644 + ... + 100059404083.

It is an arithmetic number, because the mean of its divisors is an integer number (24764702085090).

Almost surely, 2^{344204344130440} is an apocalyptic number.

It is an amenable number.

344204344130440 is an abundant number, since it is smaller than the sum of its proper divisors (448266122592440).

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

344204344130440 is a wasteful number, since it uses less digits than its factorization.

344204344130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200118804781 (or 200118804777 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 344204344130440 its reverse (44031443402443), we get a palindrome (388235787532883).

The spelling of 344204344130440 in words is "three hundred forty-four trillion, two hundred four billion, three hundred forty-four million, one hundred thirty thousand, four hundred forty".