344042320 has 40 divisors (see below), whose sum is σ = 811849824. Its totient is φ = 135560832.

The previous prime is 344042299. The next prime is 344042327. The reversal of 344042320 is 23240443.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 344042291 and 344042300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344042327) 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 7 ways as a sum of consecutive naturals, for example, 26734 + ... + 37453.

Almost surely, 2^344042320 is an apocalyptic number.

It is an amenable number.

344042320 is an abundant number, since it is smaller than the sum of its proper divisors (467807504).

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

344042320 is a wasteful number, since it uses less digits than its factorization.

344042320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64267 (or 64261 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344042320 is about 18548.3778266456. The cubic root of 344042320 is about 700.7083441949.

Adding to 344042320 its reverse (23240443), we get a palindrome (367282763).

It can be divided in two parts, 3440423 and 20, that added together give a palindrome (3440443).

The spelling of 344042320 in words is "three hundred forty-four million, forty-two thousand, three hundred twenty".