4021423114144 has 24 divisors (see below), whose sum is σ = 8382893036868. Its totient is φ = 1892434406400.

The previous prime is 4021423114133. The next prime is 4021423114151. The reversal of 4021423114144 is 4414113241204.

It can be written as a sum of positive squares in 2 ways, for example, as 3144990121744 + 876432992400 = 1773412^2 + 936180^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3696160407 + ... + 3696161494.

Almost surely, 2^{4021423114144} is an apocalyptic number.

It is an amenable number.

4021423114144 is an abundant number, since it is smaller than the sum of its proper divisors (4361469922724).

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

4021423114144 is a wasteful number, since it uses less digits than its factorization.

4021423114144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392321928 (or 7392321920 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 4021423114144 its reverse (4414113241204), we get a palindrome (8435536355348).

The spelling of 4021423114144 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred fourteen thousand, one hundred forty-four".