344530521661412 has 24 divisors (see below), whose sum is σ = 614305392668856. Its totient is φ = 169014705470208.

The previous prime is 344530521661409. The next prime is 344530521661463. The reversal of 344530521661412 is 214166125035443.

It can be written as a sum of positive squares in 4 ways, for example, as 35348447047936 + 309182074613476 = 5945456^2 + 17583574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236479088 + ... + 237931544.

It is an arithmetic number, because the mean of its divisors is an integer number (25596058027869).

Almost surely, 2^{344530521661412} is an apocalyptic number.

It is an amenable number.

344530521661412 is a deficient number, since it is larger than the sum of its proper divisors (269774871007444).

344530521661412 is a wasteful number, since it uses less digits than its factorization.

344530521661412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571407 (or 2571405 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

Adding to 344530521661412 its reverse (214166125035443), we get a palindrome (558696646696855).

The spelling of 344530521661412 in words is "three hundred forty-four trillion, five hundred thirty billion, five hundred twenty-one million, six hundred sixty-one thousand, four hundred twelve".