340140344 has 16 divisors (see below), whose sum is σ = 638463600. Its totient is φ = 169883392.

The previous prime is 340140323. The next prime is 340140347. The reversal of 340140344 is 443041043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340140347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15452 + ... + 30315.

It is an arithmetic number, because the mean of its divisors is an integer number (39903975).

Almost surely, 2^340140344 is an apocalyptic number.

It is an amenable number.

340140344 is a deficient number, since it is larger than the sum of its proper divisors (298323256).

340140344 is a wasteful number, since it uses less digits than its factorization.

340140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46702 (or 46698 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340140344 is about 18442.8941329716. The cubic root of 340140344 is about 698.0492243674.

Adding to 340140344 its reverse (443041043), we get a palindrome (783181387).

The spelling of 340140344 in words is "three hundred forty million, one hundred forty thousand, three hundred forty-four".