343440221144 has 16 divisors (see below), whose sum is σ = 671948259120. Its totient is φ = 164254018720.

The previous prime is 343440221107. The next prime is 343440221171. The reversal of 343440221144 is 441122044343.

It is a self number, because there is not a number n which added to its sum of digits gives 343440221144.

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 3 ways as a sum of consecutive naturals, for example, 933261287 + ... + 933261654.

It is an arithmetic number, because the mean of its divisors is an integer number (41996766195).

Almost surely, 2^343440221144 is an apocalyptic number.

It is an amenable number.

343440221144 is a deficient number, since it is larger than the sum of its proper divisors (328508037976).

343440221144 is a wasteful number, since it uses less digits than its factorization.

343440221144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866522970 (or 1866522966 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 343440221144 its reverse (441122044343), we get a palindrome (784562265487).

The spelling of 343440221144 in words is "three hundred forty-three billion, four hundred forty million, two hundred twenty-one thousand, one hundred forty-four".