40066026613 has 8 divisors (see below), whose sum is σ = 40384747800. Its totient is φ = 39747686400.

The previous prime is 40066026589. The next prime is 40066026647. The reversal of 40066026613 is 31662066004.

It can be written as a sum of positive squares in 4 ways, for example, as 10120762404 + 29945264209 = 100602^2 + 173047^2 .

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 40066026613 - 2⁹ = 40066026101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40066026673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117813 + ... + 306613.

It is an arithmetic number, because the mean of its divisors is an integer number (5048093475).

Almost surely, 2^40066026613 is an apocalyptic number.

It is an amenable number.

40066026613 is a deficient number, since it is larger than the sum of its proper divisors (318721187).

40066026613 is a wasteful number, since it uses less digits than its factorization.

40066026613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190487.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 40066026613 in words is "forty billion, sixty-six million, twenty-six thousand, six hundred thirteen".