40565107 has 4 divisors (see below), whose sum is σ = 44252856. Its totient is φ = 36877360.

The previous prime is 40565099. The next prime is 40565117. The reversal of 40565107 is 70156504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40565107 - 2³ = 40565099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40565117) 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, 1843858 + ... + 1843879.

It is an arithmetic number, because the mean of its divisors is an integer number (11063214).

Almost surely, 2^40565107 is an apocalyptic number.

40565107 is a deficient number, since it is larger than the sum of its proper divisors (3687749).

40565107 is a wasteful number, since it uses less digits than its factorization.

40565107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687748.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 40565107 is about 6369.0742655428. The cubic root of 40565107 is about 343.5981962444.

The spelling of 40565107 in words is "forty million, five hundred sixty-five thousand, one hundred seven".