340145320 has 32 divisors (see below), whose sum is σ = 767491200. Its totient is φ = 135673408.

The previous prime is 340145279. The next prime is 340145339. The reversal of 340145320 is 23541043.

It is a junction number, because it is equal to n+sod(n) for n = 340145291 and 340145300.

It is an unprimeable number.

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, 2517 + ... + 26203.

It is an arithmetic number, because the mean of its divisors is an integer number (23984100).

Almost surely, 2^340145320 is an apocalyptic number.

It is an amenable number.

340145320 is an abundant number, since it is smaller than the sum of its proper divisors (427345880).

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

340145320 is a wasteful number, since it uses less digits than its factorization.

340145320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24057 (or 24053 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 340145320 is about 18443.0290353835. The cubic root of 340145320 is about 698.0526283309.

Adding to 340145320 its reverse (23541043), we get a palindrome (363686363).

The spelling of 340145320 in words is "three hundred forty million, one hundred forty-five thousand, three hundred twenty".