42575464906 has 8 divisors (see below), whose sum is σ = 68775751044. Its totient is φ = 19650214560.

The previous prime is 42575464859. The next prime is 42575464909. The reversal of 42575464906 is 60946457524.

It can be written as a sum of positive squares in 2 ways, for example, as 42400987225 + 174477681 = 205915^2 + 13209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42575464909) 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 3 ways as a sum of consecutive naturals, for example, 818758915 + ... + 818758966.

Almost surely, 2^42575464906 is an apocalyptic number.

42575464906 is a deficient number, since it is larger than the sum of its proper divisors (26200286138).

42575464906 is a wasteful number, since it uses less digits than its factorization.

42575464906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637517896.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 42575464906 in words is "forty-two billion, five hundred seventy-five million, four hundred sixty-four thousand, nine hundred six".