40066653 has 8 divisors (see below), whose sum is σ = 58278816. Its totient is φ = 24282800.

The previous prime is 40066651. The next prime is 40066657. The reversal of 40066653 is 35666004.

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 40066653 - 2¹ = 40066651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40066653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40066651) 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, 607038 + ... + 607103.

It is an arithmetic number, because the mean of its divisors is an integer number (7284852).

Almost surely, 2^40066653 is an apocalyptic number.

It is an amenable number.

40066653 is a deficient number, since it is larger than the sum of its proper divisors (18212163).

40066653 is a wasteful number, since it uses less digits than its factorization.

40066653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214155.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 40066653 is about 6329.8225093600. The cubic root of 40066653 is about 342.1850423001.

The spelling of 40066653 in words is "forty million, sixty-six thousand, six hundred fifty-three".