4020144432243 has 4 divisors (see below), whose sum is σ = 5360192576328. Its totient is φ = 2680096288160.

The previous prime is 4020144432223. The next prime is 4020144432253. The reversal of 4020144432243 is 3422344410204.

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 4020144432243 - 2⁸ = 4020144431987 is a prime.

It is a super-2 number, since 2×4020144432243² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4020144432203) 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, 670024072038 + ... + 670024072043.

It is an arithmetic number, because the mean of its divisors is an integer number (1340048144082).

Almost surely, 2^{4020144432243} is an apocalyptic number.

4020144432243 is a deficient number, since it is larger than the sum of its proper divisors (1340048144085).

4020144432243 is a wasteful number, since it uses less digits than its factorization.

4020144432243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340048144084.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4020144432243 its reverse (3422344410204), we get a palindrome (7442488842447).

The spelling of 4020144432243 in words is "four trillion, twenty billion, one hundred forty-four million, four hundred thirty-two thousand, two hundred forty-three".