40660077823 has 8 divisors (see below), whose sum is σ = 41183413200. Its totient is φ = 40138219968.

The previous prime is 40660077779. The next prime is 40660077827. The reversal of 40660077823 is 32877006604.

It is a happy number.

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 40660077823 - 2²⁵ = 40626523391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40660077823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40660077827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313936 + ... + 424117.

It is an arithmetic number, because the mean of its divisors is an integer number (5147926650).

Almost surely, 2^40660077823 is an apocalyptic number.

40660077823 is a deficient number, since it is larger than the sum of its proper divisors (523335377).

40660077823 is an equidigital number, since it uses as much as digits as its factorization.

40660077823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738761.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 40660077823 in words is "forty billion, six hundred sixty million, seventy-seven thousand, eight hundred twenty-three".