40856256 has 84 divisors (see below), whose sum is σ = 133849872. Its totient is φ = 11672064.

The previous prime is 40856243. The next prime is 40856297. The reversal of 40856256 is 65265804.

40856256 is a `hidden beast` number, since 40 + 8 + 562 + 56 = 666.

40856256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40856256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035 + ... + 9098.

Almost surely, 2^40856256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40856256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66924936).

40856256 is an abundant number, since it is smaller than the sum of its proper divisors (92993616).

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

40856256 is a wasteful number, since it uses less digits than its factorization.

40856256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158 (or 10145 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 40856256 is about 6391.8898613790. The cubic root of 40856256 is about 344.4182761328.

The spelling of 40856256 in words is "forty million, eight hundred fifty-six thousand, two hundred fifty-six".