42586256 has 10 divisors (see below), whose sum is σ = 82510902. Its totient is φ = 21293120.

The previous prime is 42586237. The next prime is 42586261. The reversal of 42586256 is 65268524.

It can be written as a sum of positive squares in only one way, i.e., 39488656 + 3097600 = 6284^2 + 1760^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330805 + ... + 1330836.

Almost surely, 2^42586256 is an apocalyptic number.

It is an amenable number.

42586256 is a deficient number, since it is larger than the sum of its proper divisors (39924646).

42586256 is a wasteful number, since it uses less digits than its factorization.

42586256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661649 (or 2661643 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 42586256 is about 6525.8145851687. The cubic root of 42586256 is about 349.2125316369.

The spelling of 42586256 in words is "forty-two million, five hundred eighty-six thousand, two hundred fifty-six".