42271584551 has 24 divisors (see below), whose sum is σ = 50125993344. Its totient is φ = 35531321280.

The previous prime is 42271584529. The next prime is 42271584557. The reversal of 42271584551 is 15548517224.

It is a happy number.

It is not a de Polignac number, because 42271584551 - 2¹⁸ = 42271322407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42271584557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8985866 + ... + 8990568.

It is an arithmetic number, because the mean of its divisors is an integer number (2088583056).

Almost surely, 2^42271584551 is an apocalyptic number.

42271584551 is a deficient number, since it is larger than the sum of its proper divisors (7854408793).

42271584551 is a wasteful number, since it uses less digits than its factorization.

42271584551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231 (or 8224 counting only the distinct ones).

The product of its digits is 448000, while the sum is 44.

The spelling of 42271584551 in words is "forty-two billion, two hundred seventy-one million, five hundred eighty-four thousand, five hundred fifty-one".