4021440244031 has 16 divisors (see below), whose sum is σ = 4835271604800. Its totient is φ = 3271988286720.

The previous prime is 4021440243979. The next prime is 4021440244039. The reversal of 4021440244031 is 1304420441204.

It is a cyclic number.

It is not a de Polignac number, because 4021440244031 - 2⁶ = 4021440243967 is a prime.

It is a super-3 number, since 3×4021440244031³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4021440243985 and 4021440244003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021440244039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189340556 + ... + 189361793.

It is an arithmetic number, because the mean of its divisors is an integer number (302204475300).

Almost surely, 2^{4021440244031} is an apocalyptic number.

4021440244031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4021440244031 is a deficient number, since it is larger than the sum of its proper divisors (813831360769).

4021440244031 is a wasteful number, since it uses less digits than its factorization.

4021440244031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378702434.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 4021440244031 its reverse (1304420441204), we get a palindrome (5325860685235).

The spelling of 4021440244031 in words is "four trillion, twenty-one billion, four hundred forty million, two hundred forty-four thousand, thirty-one".