40666371 has 8 divisors (see below), whose sum is σ = 54264000. Its totient is φ = 27089832.

The previous prime is 40666361. The next prime is 40666391. The reversal of 40666371 is 17366604.

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

It is not a de Polignac number, because 40666371 - 2¹³ = 40658179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40666331) 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, 25 + ... + 9018.

It is an arithmetic number, because the mean of its divisors is an integer number (6783000).

Almost surely, 2^40666371 is an apocalyptic number.

40666371 is a deficient number, since it is larger than the sum of its proper divisors (13597629).

40666371 is a wasteful number, since it uses less digits than its factorization.

40666371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40666371 is about 6377.0189744112. The cubic root of 40666371 is about 343.8838704591.

The spelling of 40666371 in words is "forty million, six hundred sixty-six thousand, three hundred seventy-one".