340611203461242 has 128 divisors (see below), whose sum is σ = 788245869035520. Its totient is φ = 96108739430400.

The previous prime is 340611203461183. The next prime is 340611203461259. The reversal of 340611203461242 is 242164302116043.

It is a self number, because there is not a number n which added to its sum of digits gives 340611203461242.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3737226109 + ... + 3737317247.

It is an arithmetic number, because the mean of its divisors is an integer number (6158170851840).

Almost surely, 2^{340611203461242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340611203461242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394122934517760).

340611203461242 is an abundant number, since it is smaller than the sum of its proper divisors (447634665574278).

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

340611203461242 is a wasteful number, since it uses less digits than its factorization.

340611203461242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93196.

The product of its (nonzero) digits is 165888, while the sum is 39.

Adding to 340611203461242 its reverse (242164302116043), we get a palindrome (582775505577285).

The spelling of 340611203461242 in words is "three hundred forty trillion, six hundred eleven billion, two hundred three million, four hundred sixty-one thousand, two hundred forty-two".