2340402403122 has 128 divisors (see below), whose sum is σ = 6151627399680. Its totient is φ = 645651025920.

The previous prime is 2340402403091. The next prime is 2340402403127. The reversal of 2340402403122 is 2213042040432.

2340402403122 is a `hidden beast` number, since 2 + 3 + 404 + 0 + 240 + 3 + 12 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2340402403127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 724888 + ... + 2281724.

It is an arithmetic number, because the mean of its divisors is an integer number (48059589060).

Almost surely, 2^{2340402403122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2340402403122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075813699840).

2340402403122 is an abundant number, since it is smaller than the sum of its proper divisors (3811224996558).

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

2340402403122 is a wasteful number, since it uses less digits than its factorization.

2340402403122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556993 (or 1556987 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2340402403122 its reverse (2213042040432), we get a palindrome (4553444443554).

The spelling of 2340402403122 in words is "two trillion, three hundred forty billion, four hundred two million, four hundred three thousand, one hundred twenty-two".