40971471 has 4 divisors (see below), whose sum is σ = 54628632. Its totient is φ = 27314312.

The previous prime is 40971433. The next prime is 40971481. The reversal of 40971471 is 17417904.

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

It is a cyclic number.

It is not a de Polignac number, because 40971471 - 2⁶ = 40971407 is a prime.

It is a super-3 number, since 3×40971471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40971401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6828576 + ... + 6828581.

It is an arithmetic number, because the mean of its divisors is an integer number (13657158).

Almost surely, 2^40971471 is an apocalyptic number.

40971471 is a deficient number, since it is larger than the sum of its proper divisors (13657161).

40971471 is a wasteful number, since it uses less digits than its factorization.

40971471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657160.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 40971471 is about 6400.8961091397. The cubic root of 40971471 is about 344.7417264645.

The spelling of 40971471 in words is "forty million, nine hundred seventy-one thousand, four hundred seventy-one".