40428327 has 4 divisors (see below), whose sum is σ = 53904440. Its totient is φ = 26952216.

The previous prime is 40428301. The next prime is 40428359. The reversal of 40428327 is 72382404.

40428327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40428327 - 2⁶ = 40428263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40428294 and 40428303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40424327) 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 3 ways as a sum of consecutive naturals, for example, 6738052 + ... + 6738057.

It is an arithmetic number, because the mean of its divisors is an integer number (13476110).

Almost surely, 2^40428327 is an apocalyptic number.

40428327 is a deficient number, since it is larger than the sum of its proper divisors (13476113).

40428327 is a wasteful number, since it uses less digits than its factorization.

40428327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476112.

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

The square root of 40428327 is about 6358.3273743965. The cubic root of 40428327 is about 343.2115726424.

It can be divided in two parts, 40428 and 327, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40428327 in words is "forty million, four hundred twenty-eight thousand, three hundred twenty-seven".