40321801169 has 8 divisors (see below), whose sum is σ = 45977800680. Its totient is φ = 35030704896.

The previous prime is 40321801127. The next prime is 40321801171. The reversal of 40321801169 is 96110812304.

It can be written as a sum of positive squares in 4 ways, for example, as 17480012944 + 22841788225 = 132212^2 + 151135^2 .

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 40321801169 - 2⁸ = 40321800913 is a prime.

It is a super-2 number, since 2×40321801169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40321801189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91225574 + ... + 91226015.

It is an arithmetic number, because the mean of its divisors is an integer number (5747225085).

Almost surely, 2^40321801169 is an apocalyptic number.

It is an amenable number.

40321801169 is a deficient number, since it is larger than the sum of its proper divisors (5655999511).

40321801169 is a wasteful number, since it uses less digits than its factorization.

40321801169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182451619.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 40321801169 in words is "forty billion, three hundred twenty-one million, eight hundred one thousand, one hundred sixty-nine".