340213421224 has 8 divisors (see below), whose sum is σ = 637900164810. Its totient is φ = 170106710608.

The previous prime is 340213421209. The next prime is 340213421231. The reversal of 340213421224 is 422124312043.

It can be written as a sum of positive squares in only one way, i.e., 216766598724 + 123446822500 = 465582^2 + 351350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 340213421192 and 340213421201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21263338819 + ... + 21263338834.

Almost surely, 2^340213421224 is an apocalyptic number.

It is an amenable number.

340213421224 is a deficient number, since it is larger than the sum of its proper divisors (297686743586).

340213421224 is a wasteful number, since it uses less digits than its factorization.

340213421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42526677659 (or 42526677655 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 340213421224 its reverse (422124312043), we get a palindrome (762337733267).

The spelling of 340213421224 in words is "three hundred forty billion, two hundred thirteen million, four hundred twenty-one thousand, two hundred twenty-four".