40065055 has 8 divisors (see below), whose sum is σ = 48204000. Its totient is φ = 31968096.

The previous prime is 40065031. The next prime is 40065059. The reversal of 40065055 is 55056004.

40065055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40065055 - 2⁹ = 40064543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40065059) 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 7 ways as a sum of consecutive naturals, for example, 8355 + ... + 12244.

It is an arithmetic number, because the mean of its divisors is an integer number (6025500).

Almost surely, 2^40065055 is an apocalyptic number.

40065055 is a deficient number, since it is larger than the sum of its proper divisors (8138945).

40065055 is a wasteful number, since it uses less digits than its factorization.

40065055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20993.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 40065055 is about 6329.6962802334. The cubic root of 40065055 is about 342.1804930559.

The spelling of 40065055 in words is "forty million, sixty-five thousand, fifty-five".