340403400212 has 6 divisors (see below), whose sum is σ = 595705950378. Its totient is φ = 170201700104.

The previous prime is 340403400209. The next prime is 340403400229. The reversal of 340403400212 is 212004304043.

It can be written as a sum of positive squares in only one way, i.e., 333143678596 + 7259721616 = 577186^2 + 85204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42550425023 + ... + 42550425030.

It is an arithmetic number, because the mean of its divisors is an integer number (99284325063).

Almost surely, 2^340403400212 is an apocalyptic number.

It is an amenable number.

340403400212 is a deficient number, since it is larger than the sum of its proper divisors (255302550166).

340403400212 is a wasteful number, since it uses less digits than its factorization.

340403400212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85100850057 (or 85100850055 counting only the distinct ones).

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

Adding to 340403400212 its reverse (212004304043), we get a palindrome (552407704255).

The spelling of 340403400212 in words is "three hundred forty billion, four hundred three million, four hundred thousand, two hundred twelve".