4040420423043 has 12 divisors (see below), whose sum is σ = 5456283205128. Its totient is φ = 2659517228160.

The previous prime is 4040420423041. The next prime is 4040420423057. The reversal of 4040420423043 is 3403240240404.

It is not a de Polignac number, because 4040420423043 - 2¹ = 4040420423041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040420423043.

It is not an unprimeable number, because it can be changed into a prime (4040420423041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107881198 + ... + 107918643.

It is an arithmetic number, because the mean of its divisors is an integer number (454690267094).

Almost surely, 2^{4040420423043} is an apocalyptic number.

4040420423043 is a deficient number, since it is larger than the sum of its proper divisors (1415862782085).

4040420423043 is an equidigital number, since it uses as much as digits as its factorization.

4040420423043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215800002 (or 215799923 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 4040420423043 its reverse (3403240240404), we get a palindrome (7443660663447).

The spelling of 4040420423043 in words is "four trillion, forty billion, four hundred twenty million, four hundred twenty-three thousand, forty-three".