42465856424 has 16 divisors (see below), whose sum is σ = 80411833620. Its totient is φ = 21022700800.

The previous prime is 42465856423. The next prime is 42465856427.

42465856424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 39732448900 + 2733407524 = 199330^2 + 52282^2 .

It is not an unprimeable number, because it can be changed into a prime (42465856421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26277569 + ... + 26279184.

Almost surely, 2^42465856424 is an apocalyptic number.

It is an amenable number.

42465856424 is a deficient number, since it is larger than the sum of its proper divisors (37945977196).

42465856424 is a wasteful number, since it uses less digits than its factorization.

42465856424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52556860 (or 52556856 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 50.

The spelling of 42465856424 in words is "forty-two billion, four hundred sixty-five million, eight hundred fifty-six thousand, four hundred twenty-four".