340405202 has 8 divisors (see below), whose sum is σ = 513860556. Its totient is φ = 169118352.

The previous prime is 340405201. The next prime is 340405213. The reversal of 340405202 is 202504043.

It can be written as a sum of positive squares in 2 ways, for example, as 340365601 + 39601 = 18449^2 + 199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (340405201) 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 3 ways as a sum of consecutive naturals, for example, 541733 + ... + 542360.

Almost surely, 2^340405202 is an apocalyptic number.

340405202 is a deficient number, since it is larger than the sum of its proper divisors (173455354).

340405202 is a wasteful number, since it uses less digits than its factorization.

340405202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084252.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 340405202 is about 18450.0732247869. The cubic root of 340405202 is about 698.2303613181.

Adding to 340405202 its reverse (202504043), we get a palindrome (542909245).

The spelling of 340405202 in words is "three hundred forty million, four hundred five thousand, two hundred two".