42516404144 has 20 divisors (see below), whose sum is σ = 82379307000. Its totient is φ = 21257228160.

The previous prime is 42516404131. The next prime is 42516404171. The reversal of 42516404144 is 44140461524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409364 + ... + 502604.

It is an arithmetic number, because the mean of its divisors is an integer number (4118965350).

Almost surely, 2^42516404144 is an apocalyptic number.

It is an amenable number.

42516404144 is a deficient number, since it is larger than the sum of its proper divisors (39862902856).

42516404144 is a wasteful number, since it uses less digits than its factorization.

42516404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121748 (or 121742 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 42516404144 its reverse (44140461524), we get a palindrome (86656865668).

The spelling of 42516404144 in words is "forty-two billion, five hundred sixteen million, four hundred four thousand, one hundred forty-four".