40295161 has 4 divisors (see below), whose sum is σ = 40464000. Its totient is φ = 40126324.

The previous prime is 40295159. The next prime is 40295179. The reversal of 40295161 is 16159204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40295161 - 2¹ = 40295159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40295111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84061 + ... + 84538.

It is an arithmetic number, because the mean of its divisors is an integer number (10116000).

Almost surely, 2^40295161 is an apocalyptic number.

It is an amenable number.

40295161 is a deficient number, since it is larger than the sum of its proper divisors (168839).

40295161 is a wasteful number, since it uses less digits than its factorization.

40295161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168838.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 40295161 is about 6347.8469578275. The cubic root of 40295161 is about 342.8343257220.

The spelling of 40295161 in words is "forty million, two hundred ninety-five thousand, one hundred sixty-one".