4240004234121 has 12 divisors (see below), whose sum is σ = 6124620023860. Its totient is φ = 2826591275520.

The previous prime is 4240004234101. The next prime is 4240004234143. The reversal of 4240004234121 is 1214324000424.

4240004234121 is a `hidden beast` number, since 4 + 2 + 400 + 0 + 4 + 234 + 1 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 637220624121 + 3602783610000 = 798261^2 + 1898100^2 .

It is not a de Polignac number, because 4240004234121 - 2⁶ = 4240004234057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240004234101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6173536 + ... + 6825873.

Almost surely, 2^{4240004234121} is an apocalyptic number.

It is an amenable number.

4240004234121 is a deficient number, since it is larger than the sum of its proper divisors (1884615789739).

4240004234121 is a wasteful number, since it uses less digits than its factorization.

4240004234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13035656 (or 13035653 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4240004234121 its reverse (1214324000424), we get a palindrome (5454328234545).

The spelling of 4240004234121 in words is "four trillion, two hundred forty billion, four million, two hundred thirty-four thousand, one hundred twenty-one".