2340121432442 has 16 divisors (see below), whose sum is σ = 3822339909600. Its totient is φ = 1070255173680.

The previous prime is 2340121432393. The next prime is 2340121432477. The reversal of 2340121432442 is 2442341210432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2340121432399 and 2340121432408.

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 7 ways as a sum of consecutive naturals, for example, 1061759984 + ... + 1061762187.

It is an arithmetic number, because the mean of its divisors is an integer number (238896244350).

Almost surely, 2^{2340121432442} is an apocalyptic number.

2340121432442 is a deficient number, since it is larger than the sum of its proper divisors (1482218477158).

2340121432442 is a wasteful number, since it uses less digits than its factorization.

2340121432442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123522221.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2340121432442 its reverse (2442341210432), we get a palindrome (4782462642874).

The spelling of 2340121432442 in words is "two trillion, three hundred forty billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred forty-two".