40856073 has 16 divisors (see below), whose sum is σ = 57490560. Its totient is φ = 25756544.

The previous prime is 40856059. The next prime is 40856077. The reversal of 40856073 is 37065804.

40856073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40856073 - 2⁶ = 40856009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40856077) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2815 + ... + 9467.

It is an arithmetic number, because the mean of its divisors is an integer number (3593160).

Almost surely, 2^40856073 is an apocalyptic number.

It is an amenable number.

40856073 is a deficient number, since it is larger than the sum of its proper divisors (16634487).

40856073 is a wasteful number, since it uses less digits than its factorization.

40856073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40856073 is about 6391.8755463479. The cubic root of 40856073 is about 344.4177619019.

The spelling of 40856073 in words is "forty million, eight hundred fifty-six thousand, seventy-three".