40065305 has 8 divisors (see below), whose sum is σ = 54946752. Its totient is φ = 27473328.

The previous prime is 40065257. The next prime is 40065317. The reversal of 40065305 is 50356004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40065305 - 2¹⁸ = 39803161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572327 + ... + 572396.

It is an arithmetic number, because the mean of its divisors is an integer number (6868344).

Almost surely, 2^40065305 is an apocalyptic number.

It is an amenable number.

40065305 is a deficient number, since it is larger than the sum of its proper divisors (14881447).

40065305 is a wasteful number, since it uses less digits than its factorization.

40065305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144735.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40065305 is about 6329.7160283855. The cubic root of 40065305 is about 342.1812047729.

The spelling of 40065305 in words is "forty million, sixty-five thousand, three hundred five".