4021144200431 has 4 divisors (see below), whose sum is σ = 4257682094592. Its totient is φ = 3784606306272.

The previous prime is 4021144200419. The next prime is 4021144200449. The reversal of 4021144200431 is 1340024411204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4021144200431 - 2¹⁴ = 4021144184047 is a prime.

It is a super-2 number, since 2×4021144200431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021144200431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021144200131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118268947055 + ... + 118268947088.

It is an arithmetic number, because the mean of its divisors is an integer number (1064420523648).

Almost surely, 2^{4021144200431} is an apocalyptic number.

4021144200431 is a deficient number, since it is larger than the sum of its proper divisors (236537894161).

4021144200431 is a wasteful number, since it uses less digits than its factorization.

4021144200431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236537894160.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4021144200431 its reverse (1340024411204), we get a palindrome (5361168611635).

The spelling of 4021144200431 in words is "four trillion, twenty-one billion, one hundred forty-four million, two hundred thousand, four hundred thirty-one".