40384227 has 16 divisors (see below), whose sum is σ = 59859968. Its totient is φ = 24049440.

The previous prime is 40384219. The next prime is 40384229. The reversal of 40384227 is 72248304.

40384227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40384227 - 2³ = 40384219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40384194 and 40384203.

It is not an unprimeable number, because it can be changed into a prime (40384229) 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 15 ways as a sum of consecutive naturals, for example, 15493 + ... + 17910.

It is an arithmetic number, because the mean of its divisors is an integer number (3741248).

Almost surely, 2^40384227 is an apocalyptic number.

40384227 is a deficient number, since it is larger than the sum of its proper divisors (19475741).

40384227 is a wasteful number, since it uses less digits than its factorization.

40384227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33450.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40384227 is about 6354.8585350108. The cubic root of 40384227 is about 343.0867333014.

The spelling of 40384227 in words is "forty million, three hundred eighty-four thousand, two hundred twenty-seven".