40666273373 has 16 divisors (see below), whose sum is σ = 45578502144. Its totient is φ = 35966018160.

The previous prime is 40666273289. The next prime is 40666273387. The reversal of 40666273373 is 37337266604.

It is a cyclic number.

It is not a de Polignac number, because 40666273373 - 2¹⁰ = 40666272349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40666273273) 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, 149165 + ... + 321842.

It is an arithmetic number, because the mean of its divisors is an integer number (2848656384).

Almost surely, 2^40666273373 is an apocalyptic number.

It is an amenable number.

40666273373 is a deficient number, since it is larger than the sum of its proper divisors (4912228771).

40666273373 is a wasteful number, since it uses less digits than its factorization.

40666273373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471232.

The product of its (nonzero) digits is 2286144, while the sum is 47.

The spelling of 40666273373 in words is "forty billion, six hundred sixty-six million, two hundred seventy-three thousand, three hundred seventy-three".