40866093 has 32 divisors (see below), whose sum is σ = 65481600. Its totient is φ = 25100928.

The previous prime is 40866073. The next prime is 40866097. The reversal of 40866093 is 39066804.

40866093 is a `hidden beast` number, since 40 + 8 + 6 + 609 + 3 = 666.

It is not a de Polignac number, because 40866093 - 2⁸ = 40865837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40866097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17905 + ... + 20057.

It is an arithmetic number, because the mean of its divisors is an integer number (2046300).

Almost surely, 2^40866093 is an apocalyptic number.

It is an amenable number.

40866093 is a deficient number, since it is larger than the sum of its proper divisors (24615507).

40866093 is a wasteful number, since it uses less digits than its factorization.

40866093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 40866093 is about 6392.6593057975. The cubic root of 40866093 is about 344.4459158877.

The spelling of 40866093 in words is "forty million, eight hundred sixty-six thousand, ninety-three".