40856648 has 32 divisors (see below), whose sum is σ = 91359360. Its totient is φ = 16748160.

The previous prime is 40856639. The next prime is 40856657. The reversal of 40856648 is 84665804.

40856648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40856639) and next prime (40856657).

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 7 ways as a sum of consecutive naturals, for example, 14573 + ... + 17148.

It is an arithmetic number, because the mean of its divisors is an integer number (2854980).

Almost surely, 2^40856648 is an apocalyptic number.

It is an amenable number.

40856648 is an abundant number, since it is smaller than the sum of its proper divisors (50502712).

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

40856648 is a wasteful number, since it uses less digits than its factorization.

40856648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31757 (or 31753 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 40856648 is about 6391.9205251630. The cubic root of 40856648 is about 344.4193776494.

The spelling of 40856648 in words is "forty million, eight hundred fifty-six thousand, six hundred forty-eight".