40447271 has 8 divisors (see below), whose sum is σ = 42386784. Its totient is φ = 38522880.

The previous prime is 40447261. The next prime is 40447283. The reversal of 40447271 is 17274404.

40447271 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 a de Polignac number, because none of the positive numbers 2^k-40447271 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 (40447201) 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, 1895 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (5298348).

Almost surely, 2^40447271 is an apocalyptic number.

40447271 is a deficient number, since it is larger than the sum of its proper divisors (1939513).

40447271 is a wasteful number, since it uses less digits than its factorization.

40447271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 40447271 is about 6359.8168998801. The cubic root of 40447271 is about 343.2651718985.

The spelling of 40447271 in words is "forty million, four hundred forty-seven thousand, two hundred seventy-one".