40547671 has 8 divisors (see below), whose sum is σ = 41976320. Its totient is φ = 39136608.

The previous prime is 40547657. The next prime is 40547681. The reversal of 40547671 is 17674504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40547671 - 2¹¹ = 40545623 is a prime.

It is a super-2 number, since 2×40547671² = 3288227247048482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40547641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 9013.

It is an arithmetic number, because the mean of its divisors is an integer number (5247040).

Almost surely, 2^40547671 is an apocalyptic number.

40547671 is a deficient number, since it is larger than the sum of its proper divisors (1428649).

40547671 is a wasteful number, since it uses less digits than its factorization.

40547671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40547671 is about 6367.7053166741. The cubic root of 40547671 is about 343.5489598673.

The spelling of 40547671 in words is "forty million, five hundred forty-seven thousand, six hundred seventy-one".