40856097 has 4 divisors (see below), whose sum is σ = 54474800. Its totient is φ = 27237396.

The previous prime is 40856089. The next prime is 40856147. The reversal of 40856097 is 79065804.

40856097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40856097 - 2³ = 40856089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40856017) 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 3 ways as a sum of consecutive naturals, for example, 6809347 + ... + 6809352.

It is an arithmetic number, because the mean of its divisors is an integer number (13618700).

Almost surely, 2^40856097 is an apocalyptic number.

It is an amenable number.

40856097 is a deficient number, since it is larger than the sum of its proper divisors (13618703).

40856097 is a wasteful number, since it uses less digits than its factorization.

40856097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13618702.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 40856097 is about 6391.8774237308. The cubic root of 40856097 is about 344.4178293421.

The spelling of 40856097 in words is "forty million, eight hundred fifty-six thousand, ninety-seven".