340240243412342 has 32 divisors (see below), whose sum is σ = 628867075065600. Its totient is φ = 134443841339808.

The previous prime is 340240243412297. The next prime is 340240243412359. The reversal of 340240243412342 is 243214342042043.

It is a junction number, because it is equal to n+sod(n) for n = 340240243412296 and 340240243412305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087999592 + ... + 1088312267.

It is an arithmetic number, because the mean of its divisors is an integer number (19652096095800).

Almost surely, 2^{340240243412342} is an apocalyptic number.

340240243412342 is a deficient number, since it is larger than the sum of its proper divisors (288626831653258).

340240243412342 is a wasteful number, since it uses less digits than its factorization.

340240243412342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176312740.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 340240243412342 its reverse (243214342042043), we get a palindrome (583454585454385).

The spelling of 340240243412342 in words is "three hundred forty trillion, two hundred forty billion, two hundred forty-three million, four hundred twelve thousand, three hundred forty-two".