40382247 has 4 divisors (see below), whose sum is σ = 53843000. Its totient is φ = 26921496.

The previous prime is 40382219. The next prime is 40382249. The reversal of 40382247 is 74228304.

40382247 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 40382247 - 2¹¹ = 40380199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40382249) 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, 6730372 + ... + 6730377.

It is an arithmetic number, because the mean of its divisors is an integer number (13460750).

Almost surely, 2^40382247 is an apocalyptic number.

40382247 is a deficient number, since it is larger than the sum of its proper divisors (13460753).

40382247 is a wasteful number, since it uses less digits than its factorization.

40382247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460752.

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

The square root of 40382247 is about 6354.7027467852. The cubic root of 40382247 is about 343.0811261384.

The spelling of 40382247 in words is "forty million, three hundred eighty-two thousand, two hundred forty-seven".