42040404244424 has 16 divisors (see below), whose sum is σ = 78828155318400. Its totient is φ = 21019562826192.

The previous prime is 42040404244243. The next prime is 42040404244441. The reversal of 42040404244424 is 42444240404024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79632464 + ... + 80158655.

It is an arithmetic number, because the mean of its divisors is an integer number (4926759707400).

Almost surely, 2^{42040404244424} is an apocalyptic number.

It is an amenable number.

42040404244424 is a deficient number, since it is larger than the sum of its proper divisors (36787751073976).

42040404244424 is a wasteful number, since it uses less digits than its factorization.

42040404244424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159824012 (or 159824008 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 42040404244424 its reverse (42444240404024), we get a palindrome (84484644648448).

The spelling of 42040404244424 in words is "forty-two trillion, forty billion, four hundred four million, two hundred forty-four thousand, four hundred twenty-four".