340405334530 has 32 divisors (see below), whose sum is σ = 616087455984. Its totient is φ = 135416365056.

The previous prime is 340405334513. The next prime is 340405334539. The reversal of 340405334530 is 35433504043.

It can be written as a sum of positive squares in 8 ways, for example, as 6757004401 + 333648330129 = 82201^2 + 577623^2 .

It is not an unprimeable number, because it can be changed into a prime (340405334539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6948682 + ... + 6997498.

Almost surely, 2^340405334530 is an apocalyptic number.

340405334530 is a deficient number, since it is larger than the sum of its proper divisors (275682121454).

340405334530 is a wasteful number, since it uses less digits than its factorization.

340405334530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52630.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 340405334530 its reverse (35433504043), we get a palindrome (375838838573).

The spelling of 340405334530 in words is "three hundred forty billion, four hundred five million, three hundred thirty-four thousand, five hundred thirty".