40864093 has 4 divisors (see below), whose sum is σ = 41381440. Its totient is φ = 40346748.

The previous prime is 40864091. The next prime is 40864127. The reversal of 40864093 is 39046804.

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 a cyclic number.

It is not a de Polignac number, because 40864093 - 2¹ = 40864091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40864091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258555 + ... + 258712.

It is an arithmetic number, because the mean of its divisors is an integer number (10345360).

Almost surely, 2^40864093 is an apocalyptic number.

It is an amenable number.

40864093 is a deficient number, since it is larger than the sum of its proper divisors (517347).

40864093 is an equidigital number, since it uses as much as digits as its factorization.

40864093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517346.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40864093 is about 6392.5028744616. The cubic root of 40864093 is about 344.4402966973.

The spelling of 40864093 in words is "forty million, eight hundred sixty-four thousand, ninety-three".