40109195 has 24 divisors (see below), whose sum is σ = 57806208. Its totient is φ = 26611200.

The previous prime is 40109183. The next prime is 40109197. The reversal of 40109195 is 59190104.

It is not a de Polignac number, because 40109195 - 2⁶ = 40109131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40109197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4955 + ... + 10235.

It is an arithmetic number, because the mean of its divisors is an integer number (2408592).

Almost surely, 2^40109195 is an apocalyptic number.

40109195 is a deficient number, since it is larger than the sum of its proper divisors (17697013).

40109195 is a wasteful number, since it uses less digits than its factorization.

40109195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 40109195 is about 6333.1820595969. The cubic root of 40109195 is about 342.3061079562.

Adding to 40109195 its reverse (59190104), we get a palindrome (99299299).

It can be divided in two parts, 40109 and 195, that added together give a palindrome (40304).

The spelling of 40109195 in words is "forty million, one hundred nine thousand, one hundred ninety-five".