42565470544 has 20 divisors (see below), whose sum is σ = 82477999840. Its totient is φ = 21280825440.

The previous prime is 42565470533. The next prime is 42565470557. The reversal of 42565470544 is 44507456524.

It is a junction number, because it is equal to n+sod(n) for n = 42565470494 and 42565470503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73999 + ... + 301009.

It is an arithmetic number, because the mean of its divisors is an integer number (4123899992).

Almost surely, 2^42565470544 is an apocalyptic number.

It is an amenable number.

42565470544 is a deficient number, since it is larger than the sum of its proper divisors (39912529296).

42565470544 is a wasteful number, since it uses less digits than its factorization.

42565470544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238738 (or 238732 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 46.

The spelling of 42565470544 in words is "forty-two billion, five hundred sixty-five million, four hundred seventy thousand, five hundred forty-four".