344138450 has 48 divisors (see below), whose sum is σ = 680521920. Its totient is φ = 129107520.

The previous prime is 344138423. The next prime is 344138453. The reversal of 344138450 is 54831443.

It is not an unprimeable number, because it can be changed into a prime (344138453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96092 + ... + 99608.

It is an arithmetic number, because the mean of its divisors is an integer number (14177540).

Almost surely, 2^344138450 is an apocalyptic number.

344138450 is a deficient number, since it is larger than the sum of its proper divisors (336383470).

344138450 is a wasteful number, since it uses less digits than its factorization.

344138450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 344138450 is about 18550.9689773877. The cubic root of 344138450 is about 700.7736005277.

Adding to 344138450 its reverse (54831443), we get a palindrome (398969893).

The spelling of 344138450 in words is "three hundred forty-four million, one hundred thirty-eight thousand, four hundred fifty".