42271584 has 24 divisors (see below), whose sum is σ = 110963160.
Its totient is φ = 14090496.
The previous prime is 42271583. The next prime is 42271601. The reversal of 42271584 is 48517224.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42271583) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220069 + ... + 220260.
It is an arithmetic number, because the mean of its divisors is an integer number (4623465).
Almost surely, 242271584 is an apocalyptic number.
It is an amenable number.
42271584 is an abundant number, since it is smaller than the sum of its proper divisors (68691576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42271584 is a wasteful number, since it uses less digits than its factorization.
42271584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440342 (or 440334 counting only the distinct ones).
The product of its digits is 17920, while the sum is 33.
The square root of 42271584 is about 6501.6600956986.
The cubic root of 42271584 is about 348.3502880621.
The spelling of 42271584 in words is "forty-two million, two hundred seventy-one thousand, five hundred eighty-four".