40517712389 has 16 divisors (see below), whose sum is σ = 51590393856. Its totient is φ = 30900490800.

The previous prime is 40517712377. The next prime is 40517712407. The reversal of 40517712389 is 98321771504.

It is a cyclic number.

It is not a de Polignac number, because 40517712389 - 2¹⁶ = 40517646853 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40517712089) 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 15 ways as a sum of consecutive naturals, for example, 5594297 + ... + 5601534.

It is an arithmetic number, because the mean of its divisors is an integer number (3224399616).

Almost surely, 2^40517712389 is an apocalyptic number.

It is an amenable number.

40517712389 is a deficient number, since it is larger than the sum of its proper divisors (11072681467).

40517712389 is a wasteful number, since it uses less digits than its factorization.

40517712389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195896.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 40517712389 in words is "forty billion, five hundred seventeen million, seven hundred twelve thousand, three hundred eighty-nine".