3440240221244 has 24 divisors (see below), whose sum is σ = 6164320518720. Its totient is φ = 1679193955136.

The previous prime is 3440240221213. The next prime is 3440240221361. The reversal of 3440240221244 is 4421220420443.

It is a self number, because there is not a number n which added to its sum of digits gives 3440240221244.

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, 23447627 + ... + 23593890.

It is an arithmetic number, because the mean of its divisors is an integer number (256846688280).

Almost surely, 2^{3440240221244} is an apocalyptic number.

It is an amenable number.

3440240221244 is a deficient number, since it is larger than the sum of its proper divisors (2724080297476).

3440240221244 is a wasteful number, since it uses less digits than its factorization.

3440240221244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47041957 (or 47041955 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 3440240221244 its reverse (4421220420443), we get a palindrome (7861460641687).

The spelling of 3440240221244 in words is "three trillion, four hundred forty billion, two hundred forty million, two hundred twenty-one thousand, two hundred forty-four".