42635165056 has 48 divisors (see below), whose sum is σ = 93360805020. Its totient is φ = 19379613440.

The previous prime is 42635165051. The next prime is 42635165071. The reversal of 42635165056 is 65056153624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42635165051) 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 5 ways as a sum of consecutive naturals, for example, 1360906 + ... + 1391881.

Almost surely, 2^42635165056 is an apocalyptic number.

It is an amenable number.

42635165056 is an abundant number, since it is smaller than the sum of its proper divisors (50725639964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42635165056 is a wasteful number, since it uses less digits than its factorization.

42635165056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752823 (or 2752800 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 42635165056 in words is "forty-two billion, six hundred thirty-five million, one hundred sixty-five thousand, fifty-six".