42795171057 has 16 divisors (see below), whose sum is σ = 57285696960. Its totient is φ = 28417540800.

The previous prime is 42795171049. The next prime is 42795171073. The reversal of 42795171057 is 75017159724.

It is not a de Polignac number, because 42795171057 - 2³ = 42795171049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42795170997 and 42795171015.

It is not an unprimeable number, because it can be changed into a prime (42795171257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081807 + ... + 1120667.

It is an arithmetic number, because the mean of its divisors is an integer number (3580356060).

Almost surely, 2^42795171057 is an apocalyptic number.

It is an amenable number.

42795171057 is a deficient number, since it is larger than the sum of its proper divisors (14490525903).

42795171057 is a wasteful number, since it uses less digits than its factorization.

42795171057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40304.

The product of its (nonzero) digits is 617400, while the sum is 48.

The spelling of 42795171057 in words is "forty-two billion, seven hundred ninety-five million, one hundred seventy-one thousand, fifty-seven".