4043420243401 has 16 divisors (see below), whose sum is σ = 5101884039168. Its totient is φ = 3112756621200.

The previous prime is 4043420243389. The next prime is 4043420243411. The reversal of 4043420243401 is 1043420243404.

It is a cyclic number.

It is not a de Polignac number, because 4043420243401 - 2¹⁵ = 4043420210633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4043420243411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316330665 + ... + 316343446.

It is an arithmetic number, because the mean of its divisors is an integer number (318867752448).

Almost surely, 2^{4043420243401} is an apocalyptic number.

It is an amenable number.

4043420243401 is a deficient number, since it is larger than the sum of its proper divisors (1058463795767).

4043420243401 is a wasteful number, since it uses less digits than its factorization.

4043420243401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632674212.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4043420243401 its reverse (1043420243404), we get a palindrome (5086840486805).

The spelling of 4043420243401 in words is "four trillion, forty-three billion, four hundred twenty million, two hundred forty-three thousand, four hundred one".