40104744161 has 8 divisors (see below), whose sum is σ = 40665014280. Its totient is φ = 39544768512.

The previous prime is 40104744137. The next prime is 40104744181. The reversal of 40104744161 is 16144740104.

It can be written as a sum of positive squares in 4 ways, for example, as 10286016400 + 29818727761 = 101420^2 + 172681^2 .

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 40104744161 - 2¹⁰ = 40104743137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40104744181) 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 7 ways as a sum of consecutive naturals, for example, 208145 + ... + 351473.

It is an arithmetic number, because the mean of its divisors is an integer number (5083126785).

Almost surely, 2^40104744161 is an apocalyptic number.

It is an amenable number.

40104744161 is a deficient number, since it is larger than the sum of its proper divisors (560270119).

40104744161 is a wasteful number, since it uses less digits than its factorization.

40104744161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147235.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 40104744161 in words is "forty billion, one hundred four million, seven hundred forty-four thousand, one hundred sixty-one".