40689789717573 has 24 divisors (see below), whose sum is σ = 61510143895200. Its totient is φ = 26877659245488.

The previous prime is 40689789717481. The next prime is 40689789717601. The reversal of 40689789717573 is 37571798798604.

40689789717573 is a `hidden beast` number, since 406 + 8 + 9 + 7 + 8 + 9 + 71 + 75 + 73 = 666.

It is not a de Polignac number, because 40689789717573 - 2¹⁰ = 40689789716549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 40689789717492 and 40689789717501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40689789717373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768082203 + ... + 768135176.

It is an arithmetic number, because the mean of its divisors is an integer number (2562922662300).

Almost surely, 2^{40689789717573} is an apocalyptic number.

It is an amenable number.

40689789717573 is a deficient number, since it is larger than the sum of its proper divisors (20820354177627).

40689789717573 is a wasteful number, since it uses less digits than its factorization.

40689789717573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536217503 (or 1536217491 counting only the distinct ones).

The product of its (nonzero) digits is 4480842240, while the sum is 81.

The spelling of 40689789717573 in words is "forty trillion, six hundred eighty-nine billion, seven hundred eighty-nine million, seven hundred seventeen thousand, five hundred seventy-three".