42175142528 has 16 divisors (see below), whose sum is σ = 84020792010. Its totient is φ = 21087571200.

The previous prime is 42175142521. The next prime is 42175142579. The reversal of 42175142528 is 82524157124.

It can be written as a sum of positive squares in only one way, i.e., 38576102464 + 3599040064 = 196408^2 + 59992^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×42175142528² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42175142521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164746523 + ... + 164746778.

Almost surely, 2^42175142528 is an apocalyptic number.

It is an amenable number.

42175142528 is a deficient number, since it is larger than the sum of its proper divisors (41845649482).

42175142528 is an equidigital number, since it uses as much as digits as its factorization.

42175142528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329493315 (or 329493303 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The spelling of 42175142528 in words is "forty-two billion, one hundred seventy-five million, one hundred forty-two thousand, five hundred twenty-eight".