40666101312719 has 16 divisors (see below), whose sum is σ = 42145483852800. Its totient is φ = 39191866898016.

The previous prime is 40666101312677. The next prime is 40666101312787. The reversal of 40666101312719 is 91721310166604.

It is a cyclic number.

It is not a de Polignac number, because 40666101312719 - 2¹⁶ = 40666101247183 is a prime.

It is a super-2 number, since 2×40666101312719² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40666101212719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338872202 + ... + 338992184.

It is an arithmetic number, because the mean of its divisors is an integer number (2634092740800).

Almost surely, 2^{40666101312719} is an apocalyptic number.

40666101312719 is a deficient number, since it is larger than the sum of its proper divisors (1479382540081).

40666101312719 is a wasteful number, since it uses less digits than its factorization.

40666101312719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141334.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 40666101312719 in words is "forty trillion, six hundred sixty-six billion, one hundred one million, three hundred twelve thousand, seven hundred nineteen".