344452240 has 160 divisors (see below), whose sum is σ = 916012800. Its totient is φ = 119347200.

The previous prime is 344452219. The next prime is 344452307. The reversal of 344452240 is 42254443.

It is a junction number, because it is equal to n+sod(n) for n = 344452199 and 344452208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2311686 + ... + 2311834.

It is an arithmetic number, because the mean of its divisors is an integer number (5725080).

Almost surely, 2^344452240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344452240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458006400).

344452240 is an abundant number, since it is smaller than the sum of its proper divisors (571560560).

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

344452240 is a wasteful number, since it uses less digits than its factorization.

344452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 344452240 is about 18559.4245600450. The cubic root of 344452240 is about 700.9865273767.

The spelling of 344452240 in words is "three hundred forty-four million, four hundred fifty-two thousand, two hundred forty".