340202320 has 40 divisors (see below), whose sum is σ = 797991336. Its totient is φ = 134873088.

The previous prime is 340202311. The next prime is 340202323. The reversal of 340202320 is 23202043.

It can be written as a sum of positive squares in 4 ways, for example, as 6190144 + 334012176 = 2488^2 + 18276^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 340202294 and 340202303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340202323) by changing a digit.

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, 9777 + ... + 27856.

Almost surely, 2^340202320 is an apocalyptic number.

It is an amenable number.

340202320 is an abundant number, since it is smaller than the sum of its proper divisors (457789016).

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

340202320 is a wasteful number, since it uses less digits than its factorization.

340202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37759 (or 37753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 340202320 is about 18444.5742699581. The cubic root of 340202320 is about 698.0916183107.

Adding to 340202320 its reverse (23202043), we get a palindrome (363404363).

It can be divided in two parts, 3402023 and 20, that added together give a palindrome (3402043).

The spelling of 340202320 in words is "three hundred forty million, two hundred two thousand, three hundred twenty".