40161595 has 16 divisors (see below), whose sum is σ = 49500000. Its totient is φ = 31269888.

The previous prime is 40161593. The next prime is 40161619. The reversal of 40161595 is 59516104.

40161595 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40161595 - 2¹ = 40161593 is a prime.

It is a super-2 number, since 2×40161595² = 3225907425888050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40161593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31531 + ... + 32779.

It is an arithmetic number, because the mean of its divisors is an integer number (3093750).

Almost surely, 2^40161595 is an apocalyptic number.

40161595 is a deficient number, since it is larger than the sum of its proper divisors (9338405).

40161595 is a wasteful number, since it uses less digits than its factorization.

40161595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 40161595 is about 6337.3176502366. The cubic root of 40161595 is about 342.4551098216.

Adding to 40161595 its reverse (59516104), we get a palindrome (99677699).

The spelling of 40161595 in words is "forty million, one hundred sixty-one thousand, five hundred ninety-five".