42717173052 has 12 divisors (see below), whose sum is σ = 99673403816. Its totient is φ = 14239057680.

The previous prime is 42717173003. The next prime is 42717173063. The reversal of 42717173052 is 25037171724.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 42717173052.

It is a congruent number.

It is an unprimeable number.

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, 1779882199 + ... + 1779882222.

Almost surely, 2^42717173052 is an apocalyptic number.

It is an amenable number.

42717173052 is an abundant number, since it is smaller than the sum of its proper divisors (56956230764).

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

42717173052 is a wasteful number, since it uses less digits than its factorization.

42717173052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559764428 (or 3559764426 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 42717173052 in words is "forty-two billion, seven hundred seventeen million, one hundred seventy-three thousand, fifty-two".