2340402040205 has 8 divisors (see below), whose sum is σ = 2808499464672. Its totient is φ = 1872310287888.

The previous prime is 2340402040159. The next prime is 2340402040211. The reversal of 2340402040205 is 5020402040432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2340402040205 - 2⁸ = 2340402039949 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 450239 + ... + 2209868.

It is an arithmetic number, because the mean of its divisors is an integer number (351062433084).

Almost surely, 2^{2340402040205} is an apocalyptic number.

It is an amenable number.

2340402040205 is a deficient number, since it is larger than the sum of its proper divisors (468097424467).

2340402040205 is a wasteful number, since it uses less digits than its factorization.

2340402040205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836075.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 2340402040205 its reverse (5020402040432), we get a palindrome (7360804080637).

The spelling of 2340402040205 in words is "two trillion, three hundred forty billion, four hundred two million, forty thousand, two hundred five".