40735161 has 12 divisors (see below), whose sum is σ = 59412288. Its totient is φ = 26892504.

The previous prime is 40735151. The next prime is 40735171. The reversal of 40735161 is 16153704.

It is an interprime number because it is at equal distance from previous prime (40735151) and next prime (40735171).

It is not a de Polignac number, because 40735161 - 2¹⁰ = 40734137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40735151) 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, 21045 + ... + 22898.

It is an arithmetic number, because the mean of its divisors is an integer number (4951024).

Almost surely, 2^40735161 is an apocalyptic number.

It is an amenable number.

40735161 is a deficient number, since it is larger than the sum of its proper divisors (18677127).

40735161 is a wasteful number, since it uses less digits than its factorization.

40735161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44052 (or 44049 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 40735161 is about 6382.4102813906. The cubic root of 40735161 is about 344.0776624050.

Adding to 40735161 its reverse (16153704), we get a palindrome (56888865).

The spelling of 40735161 in words is "forty million, seven hundred thirty-five thousand, one hundred sixty-one".