42004444242044 has 48 divisors (see below), whose sum is σ = 77182453877760. Its totient is φ = 19975745719680.

The previous prime is 42004444242017. The next prime is 42004444242053. The reversal of 42004444242044 is 44024244440024.

It is a junction number, because it is equal to n+sod(n) for n = 42004444241989 and 42004444242007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31963319 + ... + 33251505.

It is an arithmetic number, because the mean of its divisors is an integer number (1607967789120).

Almost surely, 2^{42004444242044} is an apocalyptic number.

It is an amenable number.

42004444242044 is a deficient number, since it is larger than the sum of its proper divisors (35178009635716).

42004444242044 is a wasteful number, since it uses less digits than its factorization.

42004444242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292738 (or 1292736 counting only the distinct ones).

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

Adding to 42004444242044 its reverse (44024244440024), we get a palindrome (86028688682068).

The spelling of 42004444242044 in words is "forty-two trillion, four billion, four hundred forty-four million, two hundred forty-two thousand, forty-four".