4040420423042 has 16 divisors (see below), whose sum is σ = 6146073158400. Its totient is φ = 1991730125280.

The previous prime is 4040420423041. The next prime is 4040420423057. The reversal of 4040420423042 is 2403240240404.

It is a junction number, because it is equal to n+sod(n) for n = 4040420422996 and 4040420423014.

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 7 ways as a sum of consecutive naturals, for example, 14643959 + ... + 14917317.

It is an arithmetic number, because the mean of its divisors is an integer number (384129572400).

Almost surely, 2^{4040420423042} is an apocalyptic number.

4040420423042 is a deficient number, since it is larger than the sum of its proper divisors (2105652735358).

4040420423042 is a wasteful number, since it uses less digits than its factorization.

4040420423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377521.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 4040420423042 its reverse (2403240240404), we get a palindrome (6443660663446).

The spelling of 4040420423042 in words is "four trillion, forty billion, four hundred twenty million, four hundred twenty-three thousand, forty-two".