4020343404012 has 48 divisors (see below), whose sum is σ = 11224890419680. Its totient is φ = 1237028739264.

The previous prime is 4020343403953. The next prime is 4020343404013. The reversal of 4020343404012 is 2104043430204.

It is a happy number.

4020343404012 is a `hidden beast` number, since 4 + 0 + 203 + 43 + 404 + 0 + 12 = 666.

It is a super-2 number, since 2×4020343404012² (a number of 26 digits) contains 22 as substring.

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 (4020343404013) 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 15 ways as a sum of consecutive naturals, for example, 1431744823 + ... + 1431747630.

Almost surely, 2^{4020343404012} is an apocalyptic number.

It is an amenable number.

4020343404012 is an abundant number, since it is smaller than the sum of its proper divisors (7204547015668).

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

4020343404012 is a wasteful number, since it uses less digits than its factorization.

4020343404012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863492479 (or 2863492471 counting only the distinct ones).

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

Adding to 4020343404012 its reverse (2104043430204), we get a palindrome (6124386834216).

The spelling of 4020343404012 in words is "four trillion, twenty billion, three hundred forty-three million, four hundred four thousand, twelve".