40971316 has 12 divisors (see below), whose sum is σ = 74172420. Its totient is φ = 19779200.

The previous prime is 40971313. The next prime is 40971361. The reversal of 40971316 is 61317904.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23078416 + 17892900 = 4804^2 + 4230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40971313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176485 + ... + 176716.

It is an arithmetic number, because the mean of its divisors is an integer number (6181035).

Almost surely, 2^40971316 is an apocalyptic number.

It is an amenable number.

40971316 is a deficient number, since it is larger than the sum of its proper divisors (33201104).

40971316 is a wasteful number, since it uses less digits than its factorization.

40971316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353234 (or 353232 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 40971316 is about 6400.8840014485. The cubic root of 40971316 is about 344.7412917309.

The spelling of 40971316 in words is "forty million, nine hundred seventy-one thousand, three hundred sixteen".