40286256 has 40 divisors (see below), whose sum is σ = 104670384. Its totient is φ = 13351680.

The previous prime is 40286237. The next prime is 40286297. The reversal of 40286256 is 65268204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6370 + ... + 11006.

Almost surely, 2^40286256 is an apocalyptic number.

It is an amenable number.

40286256 is an abundant number, since it is smaller than the sum of its proper divisors (64384128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40286256 is a wasteful number, since it uses less digits than its factorization.

40286256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 40286256 is about 6347.1455001441. The cubic root of 40286256 is about 342.8090690533.

The spelling of 40286256 in words is "forty million, two hundred eighty-six thousand, two hundred fifty-six".