42455055424 has 14 divisors (see below), whose sum is σ = 84246750734. Its totient is φ = 21227527680.

The previous prime is 42455055421. The next prime is 42455055431.

42455055424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 40852494400 + 1602561024 = 202120^2 + 40032^2 .

It is not an unprimeable number, because it can be changed into a prime (42455055421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331680057 + ... + 331680184.

Almost surely, 2^42455055424 is an apocalyptic number.

It is an amenable number.

42455055424 is a deficient number, since it is larger than the sum of its proper divisors (41791695310).

42455055424 is an equidigital number, since it uses as much as digits as its factorization.

42455055424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663360253 (or 663360243 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 40.

It can be divided in two parts, 424550 and 55424, that added together give a palindrome (479974).

The spelling of 42455055424 in words is "forty-two billion, four hundred fifty-five million, fifty-five thousand, four hundred twenty-four".