344431320126 has 64 divisors (see below), whose sum is σ = 740307726336. Its totient is φ = 106622956800.

The previous prime is 344431320119. The next prime is 344431320139. The reversal of 344431320126 is 621023134443.

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 31 ways as a sum of consecutive naturals, for example, 159591 + ... + 845181.

It is an arithmetic number, because the mean of its divisors is an integer number (11567308224).

Almost surely, 2^344431320126 is an apocalyptic number.

344431320126 is an abundant number, since it is smaller than the sum of its proper divisors (395876406210).

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

344431320126 is a wasteful number, since it uses less digits than its factorization.

344431320126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685737.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 344431320126 its reverse (621023134443), we get a palindrome (965454454569).

The spelling of 344431320126 in words is "three hundred forty-four billion, four hundred thirty-one million, three hundred twenty thousand, one hundred twenty-six".