4020323343344 has 160 divisors (see below), whose sum is σ = 10456977139200. Its totient is φ = 1449233694720.

The previous prime is 4020323343329. The next prime is 4020323343349. The reversal of 4020323343344 is 4433433230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020323343349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391049 + ... + 2862440.

It is an arithmetic number, because the mean of its divisors is an integer number (65356107120).

Almost surely, 2^{4020323343344} is an apocalyptic number.

4020323343344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4020323343344 is an abundant number, since it is smaller than the sum of its proper divisors (6436653795856).

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

4020323343344 is a wasteful number, since it uses less digits than its factorization.

4020323343344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253591 (or 3253585 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 35.

Adding to 4020323343344 its reverse (4433433230204), we get a palindrome (8453756573548).

The spelling of 4020323343344 in words is "four trillion, twenty billion, three hundred twenty-three million, three hundred forty-three thousand, three hundred forty-four".