344230440 has 64 divisors (see below), whose sum is σ = 1034078400. Its totient is φ = 91671552.

The previous prime is 344230427. The next prime is 344230441. The reversal of 344230440 is 44032443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 344230440.

It is not an unprimeable number, because it can be changed into a prime (344230441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119659 + ... + 122501.

It is an arithmetic number, because the mean of its divisors is an integer number (16157475).

Almost surely, 2^344230440 is an apocalyptic number.

344230440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344230440 is an abundant number, since it is smaller than the sum of its proper divisors (689847960).

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

344230440 is a wasteful number, since it uses less digits than its factorization.

344230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3862 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 344230440 is about 18553.4481970333. The cubic root of 344230440 is about 700.8360351094.

Adding to 344230440 its reverse (44032443), we get a palindrome (388262883).

The spelling of 344230440 in words is "three hundred forty-four million, two hundred thirty thousand, four hundred forty".