42595559624 has 8 divisors (see below), whose sum is σ = 79866674310. Its totient is φ = 21297779808.

The previous prime is 42595559581. The next prime is 42595559627. The reversal of 42595559624 is 42695559524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30004475524 + 12591084100 = 173218^2 + 112210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42595559624.

It is not an unprimeable number, because it can be changed into a prime (42595559627) 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 as a sum of consecutive naturals, namely, 2662222469 + ... + 2662222484.

Almost surely, 2^42595559624 is an apocalyptic number.

It is an amenable number.

42595559624 is a deficient number, since it is larger than the sum of its proper divisors (37271114686).

42595559624 is a wasteful number, since it uses less digits than its factorization.

42595559624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324444959 (or 5324444955 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 56.

The spelling of 42595559624 in words is "forty-two billion, five hundred ninety-five million, five hundred fifty-nine thousand, six hundred twenty-four".