340430440244 has 12 divisors (see below), whose sum is σ = 595765560768. Its totient is φ = 170211708600.

The previous prime is 340430440237. The next prime is 340430440253. The reversal of 340430440244 is 442044034043.

It is a self number, because there is not a number n which added to its sum of digits gives 340430440244.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 653372 + ... + 1052499.

It is an arithmetic number, because the mean of its divisors is an integer number (49647130064).

Almost surely, 2^340430440244 is an apocalyptic number.

It is an amenable number.

340430440244 is a deficient number, since it is larger than the sum of its proper divisors (255335120524).

340430440244 is a wasteful number, since it uses less digits than its factorization.

340430440244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755766 (or 1755764 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 340430440244 its reverse (442044034043), we get a palindrome (782474474287).

The spelling of 340430440244 in words is "three hundred forty billion, four hundred thirty million, four hundred forty thousand, two hundred forty-four".