4020004240231 has 16 divisors (see below), whose sum is σ = 4601078795520. Its totient is φ = 3440627910720.

The previous prime is 4020004240181. The next prime is 4020004240283. The reversal of 4020004240231 is 1320424000204.

It is a happy number.

It is not a de Polignac number, because 4020004240231 - 2²³ = 4019995851623 is a prime.

It is a super-2 number, since 2×4020004240231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020004240531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45825171 + ... + 45912811.

It is an arithmetic number, because the mean of its divisors is an integer number (287567424720).

Almost surely, 2^{4020004240231} is an apocalyptic number.

4020004240231 is a deficient number, since it is larger than the sum of its proper divisors (581074555289).

4020004240231 is an equidigital number, since it uses as much as digits as its factorization.

4020004240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97254.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 4020004240231 its reverse (1320424000204), we get a palindrome (5340428240435).

The spelling of 4020004240231 in words is "four trillion, twenty billion, four million, two hundred forty thousand, two hundred thirty-one".