40066786250947 has 8 divisors (see below), whose sum is σ = 41374018672640. Its totient is φ = 38760476044680.

The previous prime is 40066786250921. The next prime is 40066786250983. The reversal of 40066786250947 is 74905268766004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40066786250947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40066786256947) 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, 230465547 + ... + 230639332.

It is an arithmetic number, because the mean of its divisors is an integer number (5171752334080).

Almost surely, 2^{40066786250947} is an apocalyptic number.

40066786250947 is a deficient number, since it is larger than the sum of its proper divisors (1307232421693).

40066786250947 is a wasteful number, since it uses less digits than its factorization.

40066786250947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461107713.

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 40066786250947 in words is "forty trillion, sixty-six billion, seven hundred eighty-six million, two hundred fifty thousand, nine hundred forty-seven".