42815451824 has 20 divisors (see below), whose sum is σ = 82990206144. Its totient is φ = 21398624448.

The previous prime is 42815451821. The next prime is 42815451829.

It is a happy number.

42815451824 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (42815451821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529952 + ... + 605375.

Almost surely, 2^42815451824 is an apocalyptic number.

It is an amenable number.

42815451824 is a deficient number, since it is larger than the sum of its proper divisors (40174754320).

42815451824 is a wasteful number, since it uses less digits than its factorization.

42815451824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137692 (or 1137686 counting only the distinct ones).

The product of its digits is 409600, while the sum is 44.

The spelling of 42815451824 in words is "forty-two billion, eight hundred fifteen million, four hundred fifty-one thousand, eight hundred twenty-four".