2340402040231 has 16 divisors (see below), whose sum is σ = 2523794112000. Its totient is φ = 2163036657600.

The previous prime is 2340402040219. The next prime is 2340402040261. The reversal of 2340402040231 is 1320402040432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2340402040231 - 2²⁵ = 2340368485799 is a prime.

It is a super-2 number, since 2×2340402040231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2340402040196 and 2340402040205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340402040211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18554466 + ... + 18680176.

It is an arithmetic number, because the mean of its divisors is an integer number (157737132000).

Almost surely, 2^{2340402040231} is an apocalyptic number.

2340402040231 is a deficient number, since it is larger than the sum of its proper divisors (183392071769).

2340402040231 is a wasteful number, since it uses less digits than its factorization.

2340402040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149670.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2340402040231 its reverse (1320402040432), we get a palindrome (3660804080663).

The spelling of 2340402040231 in words is "two trillion, three hundred forty billion, four hundred two million, forty thousand, two hundred thirty-one".