2340402040220 has 24 divisors (see below), whose sum is σ = 4914873379584. Its totient is φ = 936155274176.

The previous prime is 2340402040219. The next prime is 2340402040261. The reversal of 2340402040220 is 220402040432.

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, 5640389 + ... + 6041091.

It is an arithmetic number, because the mean of its divisors is an integer number (204786390816).

Almost surely, 2^{2340402040220} is an apocalyptic number.

2340402040220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340402040220 is an abundant number, since it is smaller than the sum of its proper divisors (2574471339364).

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

2340402040220 is a wasteful number, since it uses less digits than its factorization.

2340402040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692749 (or 692747 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 2340402040220 its reverse (220402040432), we get a palindrome (2560804080652).

The spelling of 2340402040220 in words is "two trillion, three hundred forty billion, four hundred two million, forty thousand, two hundred twenty".