340443221052 has 24 divisors (see below), whose sum is σ = 866582744832. Its totient is φ = 103164612400.

The previous prime is 340443221039. The next prime is 340443221201. The reversal of 340443221052 is 250122344043.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289557524 + ... + 1289557787.

It is an arithmetic number, because the mean of its divisors is an integer number (36107614368).

Almost surely, 2^340443221052 is an apocalyptic number.

It is an amenable number.

340443221052 is an abundant number, since it is smaller than the sum of its proper divisors (526139523780).

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

340443221052 is a wasteful number, since it uses less digits than its factorization.

340443221052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579115329 (or 2579115327 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 340443221052 its reverse (250122344043), we get a palindrome (590565565095).

The spelling of 340443221052 in words is "three hundred forty billion, four hundred forty-three million, two hundred twenty-one thousand, fifty-two".