344332140 has 48 divisors (see below), whose sum is σ = 975760128. Its totient is φ = 90714304.

The previous prime is 344332139. The next prime is 344332141. The reversal of 344332140 is 41233443.

It is an interprime number because it is at equal distance from previous prime (344332139) and next prime (344332141).

It is a self number, because there is not a number n which added to its sum of digits gives 344332140.

It is not an unprimeable number, because it can be changed into a prime (344332141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29592 + ... + 39551.

It is an arithmetic number, because the mean of its divisors is an integer number (20328336).

Almost surely, 2^344332140 is an apocalyptic number.

344332140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344332140 is an abundant number, since it is smaller than the sum of its proper divisors (631427988).

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

344332140 is a wasteful number, since it uses less digits than its factorization.

344332140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69238 (or 69236 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 344332140 is about 18556.1887250588. The cubic root of 344332140 is about 700.9050470255.

Adding to 344332140 its reverse (41233443), we get a palindrome (385565583).

The spelling of 344332140 in words is "three hundred forty-four million, three hundred thirty-two thousand, one hundred forty".