40109295 has 16 divisors (see below), whose sum is σ = 65910240. Its totient is φ = 20813184.

The previous prime is 40109281. The next prime is 40109297. The reversal of 40109295 is 59290104.

It is a happy number.

It is not a de Polignac number, because 40109295 - 2⁶ = 40109231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40109297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35580 + ... + 36689.

It is an arithmetic number, because the mean of its divisors is an integer number (4119390).

Almost surely, 2^40109295 is an apocalyptic number.

40109295 is a deficient number, since it is larger than the sum of its proper divisors (25800945).

40109295 is a wasteful number, since it uses less digits than its factorization.

40109295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72314.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 40109295 is about 6333.1899545174. The cubic root of 40109295 is about 342.3063924345.

Adding to 40109295 its reverse (59290104), we get a palindrome (99399399).

It can be divided in two parts, 40109 and 295, that added together give a palindrome (40404).

The spelling of 40109295 in words is "forty million, one hundred nine thousand, two hundred ninety-five".