42515757616 has 10 divisors (see below), whose sum is σ = 82374280412. Its totient is φ = 21257878800.

The previous prime is 42515757593. The next prime is 42515757619. The reversal of 42515757616 is 61675751524.

It is a self number, because there is not a number n which added to its sum of digits gives 42515757616.

It is not an unprimeable number, because it can be changed into a prime (42515757619) 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, 1328617410 + ... + 1328617441.

Almost surely, 2^42515757616 is an apocalyptic number.

It is an amenable number.

42515757616 is a deficient number, since it is larger than the sum of its proper divisors (39858522796).

42515757616 is a wasteful number, since it uses less digits than its factorization.

42515757616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657234859 (or 2657234853 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 49.

The spelling of 42515757616 in words is "forty-two billion, five hundred fifteen million, seven hundred fifty-seven thousand, six hundred sixteen".