40141161 has 12 divisors (see below), whose sum is σ = 58056180. Its totient is φ = 26726400.

The previous prime is 40141159. The next prime is 40141169. The reversal of 40141161 is 16114104.

It can be written as a sum of positive squares in 2 ways, for example, as 9272025 + 30869136 = 3045^2 + 5556^2 .

It is not a de Polignac number, because 40141161 - 2¹ = 40141159 is a prime.

It is a super-2 number, since 2×40141161² = 3222625612855842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40141169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5961 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (4838015).

Almost surely, 2^40141161 is an apocalyptic number.

It is an amenable number.

40141161 is a deficient number, since it is larger than the sum of its proper divisors (17915019).

40141161 is a wasteful number, since it uses less digits than its factorization.

40141161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736 (or 5733 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 40141161 is about 6335.7052488259. The cubic root of 40141161 is about 342.3970202060.

Adding to 40141161 its reverse (16114104), we get a palindrome (56255265).

The spelling of 40141161 in words is "forty million, one hundred forty-one thousand, one hundred sixty-one".