42004144044 has 18 divisors (see below), whose sum is σ = 106177141980. Its totient is φ = 14001381336.

The previous prime is 42004144031. The next prime is 42004144067. The reversal of 42004144044 is 44044140024.

42004144044 is a `hidden beast` number, since 4 + 200 + 414 + 4 + 0 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 42004143999 and 42004144017.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583390854 + ... + 583390925.

It is an arithmetic number, because the mean of its divisors is an integer number (5898730110).

Almost surely, 2^42004144044 is an apocalyptic number.

It is an amenable number.

42004144044 is an abundant number, since it is smaller than the sum of its proper divisors (64172997936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42004144044 is a wasteful number, since it uses less digits than its factorization.

42004144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166781789 (or 1166781784 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 42004144044 its reverse (44044140024), we get a palindrome (86048284068).

The spelling of 42004144044 in words is "forty-two billion, four million, one hundred forty-four thousand, forty-four".