340244210341340 has 72 divisors (see below), whose sum is σ = 748592853447600. Its totient is φ = 129890457647104.

The previous prime is 340244210341331. The next prime is 340244210341351. The reversal of 340244210341340 is 43143012442043.

It is a super-2 number, since 2×340244210341340² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340244210341340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31061594 + ... + 40562433.

It is an arithmetic number, because the mean of its divisors is an integer number (10397122964550).

Almost surely, 2^{340244210341340} is an apocalyptic number.

It is an amenable number.

340244210341340 is an abundant number, since it is smaller than the sum of its proper divisors (408348643106260).

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

340244210341340 is a wasteful number, since it uses less digits than its factorization.

340244210341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71624531 (or 71624506 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 340244210341340 its reverse (43143012442043), we get a palindrome (383387222783383).

The spelling of 340244210341340 in words is "three hundred forty trillion, two hundred forty-four billion, two hundred ten million, three hundred forty-one thousand, three hundred forty".