40320014 has 16 divisors (see below), whose sum is σ = 72758400. Its totient is φ = 16370424.

The previous prime is 40320011. The next prime is 40320019. The reversal of 40320014 is 41002304.

40320014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320011) 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, 75524 + ... + 76055.

It is an arithmetic number, because the mean of its divisors is an integer number (4547400).

Almost surely, 2^40320014 is an apocalyptic number.

40320014 is a deficient number, since it is larger than the sum of its proper divisors (32438386).

40320014 is a wasteful number, since it uses less digits than its factorization.

40320014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151607.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40320014 is about 6349.8042489513. The cubic root of 40320014 is about 342.9047949806.

Adding to 40320014 its reverse (41002304), we get a palindrome (81322318).

The spelling of 40320014 in words is "forty million, three hundred twenty thousand, fourteen".